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Spolehli Magnetic Levitation Globe, 8 Inch Floating Constellation Globe with LED Lights, World Map Globe at Day Constellation Light at Night, Good Gifts for Students Teachers Birthday Gift Present

  • ...de, the constellations can be seen clearly at night..
  • C SHAPE BASE TOP VERTICAL LED LIGHTS: Built-in LED light on the top, illuminating vertically downwards, no astigmatism on the side, no dazzling. Cylindrical base, sphere can be placed when power is off.
  • barrier-free power jack, light switch, easy to operate..
  • WIDE RANGE OF APPLICATIONS: This Levitation Floating Constellation Globe is a nice decoration and a good choice for gifts for all ages. The high-safety power adapter can be used for voltages in the range of 100V-240V, and can be applied to every country in the world..
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Huepar Laser Level Multi-line - Four Vertical and One Horizontal Cross Lines Laser With Plumb Dot, Green Beam Alignment Self-leveling Laser Tool, 360°Rotating Base & Hard Carrying Case Included NT411G

  • BRIGHT GREEN LASER & PULSE MODE: The laser tool adopts a bright Osram green laser unit that can be resistant to temperature changes and has higher stability which is up to 4X brighter than standard red beams of an accuracy ±1/13 Inch at 33 Feet. Outdoor pulse mode extends the working range up to 197Ft with Huepar Laser Receiver LR-6RG/LR-5RG. This product is also equipped with a pair of green glasses are used to enhance the visibility of the laser line..
  • EASY TO USE & INTELLIGENT DESIGN: With a smart pendulum, the laser tool self-levels and indicates out-of-level condition while pendulum unlocked. The line laser will beep when out of the self-leveling range ±3°. Once the pendulum locked, it switches to manual mode to lock lines for use at any angle. The laser level kit comes with NT411G, a hard carry case, rechargeable Li-ion battery, type-c power cord, power adapter, rotating base, green laser target plate,green glasses, user manual..
  • Huepar is committed to providing best-in-class service to our customers with our 24/7 service team (response in 24hrs, solution in 48hrs). We offer lifetime customer support (no worries about exceeding the warranty!) Our local maintenance center means your product can be repaired or repl....
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Audiopipe APSW-8032 8\ 350 Watt 2-Way Coaxial Marine Speaker White (Pair)

  • IP-X4 MARINE GRADE: This pair of marine speakers are completely waterproof for water base automobile and off-road vehicle use. They have a waterproof rating of IP-X4 to withstand heavy water splashes and other outdoor conditions.
  • RF WIRELESS STREAMING: Built with RF or radio frequency wireless streaming ability for hassle-free wireless streaming connection. The RF audio module supports additional speaker connectivity at a range of 100ft+.
  • 4.2 BLUETOOTH COMPATIBILITY: Works with smartphone, tablet, laptop and computer with its 4.2 bluetooth compatibility. This 2-way speaker can stream music wirelessly from the aforementioned devices at a range of 30ft+.
  • 6.5 COAXIAL SPEAKERS: This comes in 1 pair of black 6.5 inch coaxial speakers, 1 is passive and the other is active. Each has a total diameter of 6.9”, cut-out diameter of 6.75”, total depth of 3.97’’ and mounting depth of 3.1’’.
  • 600 WATTS POWER: The dual audio speakers have a full range stereo sound reproduction for a complete speaker system. The power output is 300 Watt RMS up to 600 Watt peak. It has a frequency response of 85Hz-20kHz and a magnet structure of 20 oz.
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High Frequency Transducer, Mixer Module 0.1‑500MHz Bandwidth Mixing for HF VHF Receiver for Quadrature Modulation for Base Station

  • -10dBm LO Power Consumption: Provides +24dBm third order intercept point, can achieve -10dBm LO power consumption, without high power LO drivers, there are no corresponding shielding and isolation problems, can improve system performance and reduce costs.
  • 10.3dB SSB Noise Figure at 70MHz: With the output amplifier and optimal source impedance of this mixer module, the SSB noise figure is 10.3dB at 70MHz. There is no insertion loss, no external duplexer, and no passive termination.
  • Single Power Supply: The mixer module is designed to be powered by a single power supply, and the RF, IF and LO ports have DC isolation capacitors for easy use.
  • Wide Application: Suitable for applications such as RF‑IF down conversion in HF and VHF receivers, second mixer in base stations, DC baseband conversion, quadrature modulation and demodulation, and Doppler shift detection in imaging.
  • Low Distortion and Wide Dynamic Range: AD831 is a low distortion, wide dynamic range, single chip mixer, very practical.
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2902832, Frequency transducer, F Input: 0.002Hz-20kHz, Out: V/I, Screw Conn, Mini MCR-SL-F-UI-NC

  • -10dBm LO Power Consumption: Provides +24dBm third order intercept point, can achieve -10dBm LO power consumption, without high power LO drivers, there are no corresponding shielding and isolation problems, can improve system performance and reduce costs.
  • Wide Application: Suitable for applications such as RF‑IF down conversion in HF and VHF receivers, second mixer in base stations, DC baseband conversion, quadrature modulation and demodulation, and Doppler detection in imaging.
  • 10.3dB SSB Noise Figure at 70MHz: With the output amplifier and optimal source impedance of this mixer module, the SSB noise figure is 10.3dB at 70MHz. There is no insertion loss, no external duplexer, and no passive termination.
  • Single Power Supply: The mixer module is designed to be powered by a single power supply, and the RF, IF and LO ports have DC isolation capacitors for easy use.
  • Low Distortion and Wide Dynamic Range: AD831 is a low distortion, wide dynamic range, single chip mixer, very practical.
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Mixer Module, 0.1‑500MHz Conversion Board High Frequency Transducer -10dBm for HF VHF Receiver for Quadrature Modulation for Base Station

  • -10dBm LO Power Consumption: Provides +24dBm third order intercept point, can achieve -10dBm LO power consumption, without high power LO drivers, there are no corresponding shielding and isolation problems, can improve system performance and reduce costs.
  • Wide Application: Suitable for applications such as RF‑IF down conversion in HF and VHF receivers, second mixer in base stations, DC baseband conversion, quadrature modulation and demodulation, and Doppler detection in imaging.
  • Low Distortion and Wide Dynamic Range: AD831 is a low distortion, wide dynamic range, single chip mixer, very practical.
  • 10.3dB SSB Noise Figure at 70MHz: With the output amplifier and optimal source impedance of this mixer module, the SSB noise figure is 10.3dB at 70MHz. There is no insertion loss, no external duplexer, and no passive termination.
  • Single Power Supply: The mixer module is designed to be powered by a single power supply, and the RF, IF and LO ports have DC isolation capacitors for easy use.
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Retevis RB19P Walkie Talkies with Earpiece, GMRS 2 Way Radio Long Range, Small Two Way Radios, Ultra Thin, 2000mAh Battery with 6 Way Multi Charger(6 Pack)

  • the authorized power is higher than that of FRS walkie-talkies.
  • you can get longer range in the same environment.
  • you can talk directly with RT15 RT18 RT19 RT21 RT22 RT22S RT27 RT28 RT68 walkie talkies.
  • 2000mAh li-ion rechargeable battery supports 16 to 20 hours of heavy use.
  • Six way multi gang charger has over voltage and short circuit protection.
  • more safe for charging the 6 pack 2 way radio or batteries at the same time.
  • 8 base station channels can be directly connected to the base station to obtain a farther range.
  • Acoustic tube headset helps you keep clear call in noisy environment.
  • you can use it directly without operating the walkie-talkie.
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Huepar 3D Green Beam Self-Leveling Laser Level 3 x 360 Cross Line Three-Plane Leveling and Alignment Laser Level Tool -Two 360° Vertical and One 360° Horizontal Line -Magnetic Pivoting Base GF360G

  • ✔️BRIGHTER GREEN LASER&OUTDOOR PULSE MODE: This self-leveling laser level adopted the bright Osram’s green laser unit, which is resistant to temperature changes and has higher stability. Under same light condition, the green beam is twice bright as the red laser with a working range up to 130 feet(100LUX) of accuracy within ±1/9 Inch at 33 Feet. The outdoor pulse mode helps extend the laser range up to 200ft with Huepar Line Laser Receiver LR-6RG/LR-5RG in bright-light or outdoor conditions..
  • ✔️MULTIPLE INSTALLATION METHODS: This green line laser offers 1/4"-20 and 5/8"-11 mounting threads for being fixed on tripod or mounting pole. Equipped with a magnetic pivoting base, the laser tool can be rotated to the required angle. The magnetic base also has 1/4"-20 & 5/8"-11 mounting threads to suit for different tripod threads. Strong magnets on the base allows for attachment to metal track and steel. In addition, the laser covers can be removed and replaced with a screwdriver..
  • ✔️DURABLE DESIGN&PACKAGE CONTENTS: IP54 water/dust-proof ensures you work well under hazardous working conditions. Protected by TPR soft rubber on all sides makes the laser level shock resistant, wear resistant and impact resistant. Pac....
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Mixer Module, 0.1‑500MHz Low Distortion High Frequency Transducer -10dBm Conversion for Base Station for Quadrature Modulation for HF VHF Receiver

  • -10dBm LO Power Consumption: Provides +24dBm third order intercept point, can achieve -10dBm LO power consumption, without high power LO drivers, there are no corresponding shielding and isolation problems, can improve system performance and reduce costs.
  • Single Power Supply: The mixer module is designed to be powered by a single power supply, and the RF, IF and LO ports have DC isolation capacitors for easy use.
  • 10.3dB SSB Noise Figure at 70MHz: With the output amplifier and optimal source impedance of this mixer module, the SSB noise figure is 10.3dB at 70MHz. There is no insertion loss, no external duplexer, and no passive termination.
  • Wide Application: Suitable for applications such as RF‑IF down conversion in HF and VHF receivers, second mixer in base stations, DC baseband conversion, quadrature modulation and demodulation, and Doppler detection in imaging.
  • Low Distortion and Wide Dynamic Range: AD831 is a low distortion, wide dynamic range, single chip mixer, very practical.
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Huepar 3D Self-leveling Laser Level 3x360 Green Beam Cross Line Three-Plane Leveling, Alignment and Tiling Floor Laser Tool -360° Vertical and Horizontal Line with Remote Control&Hard Carry Case 503DG

  • ✔️MULTIFUNCTIONAL LASER TOOL: The remote control enables to select three 360° laser lines individually at a distance up to 33Ft. With smart pendulum, this laser tool self levels and indicates out-of-level condition while pendulum unlocked. The laser tool will beep as a reminder when out of self-leveling range ±4°. Once pendulum locked, it switches to manual mode to lock lines for use at any angle. Pulse mode extends laser range up to 200Ft. with Huepar Laser Receiver LR-6RG/LR-5RG..
  • ✔️DUAL POWER METHODS&TYPE-C PORT: Huepar laser tool employed large capacity lithium battery (can be purchased easily at local market) for 6 hours use with all beams on. An extra battery is included for backup. Besides, this laser tool can be used at job site by plugged in when take out the battery. With Type-C charging port, the laser level can also be charged by phone, laptop, power bank, car charger, etc. Users can charge the battery independently with the battery charger included..
  • ✔️MAGNETIC BRACKET&MOUNTING THREADS: The strong magnetic bracket allows for quick positioning to metal surfaces, helping hang the laser level for wall applications. The four fine-tuning knobs on the bracket can adjust the left and right position, front and back position ....
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Mixer Module, Bandwidth Mixing 0.1‑500MHz High Frequency Transducer -10dBm for Quadrature Modulation for Base Station for HF VHF Receiver

  • Single Power Supply: The mixer module is designed to be powered by a single power supply, and the RF, IF and LO ports have DC isolation capacitors for easy use.
  • 10.3dB SSB Noise Figure at 70MHz: With the output amplifier and optimal source impedance of this mixer module, the SSB noise figure is 10.3dB at 70MHz. There is no insertion loss, no external duplexer, and no passive termination.
  • Low Distortion and Wide Dynamic Range: AD831 is a low distortion, wide dynamic range, single chip mixer, very practical.
  • -10dBm LO Power Consumption: Provides +24dBm third order intercept point, can achieve -10dBm LO power consumption, without high power LO drivers, there are no corresponding shielding and isolation problems, can improve system performance and reduce costs.
  • Wide Application: Suitable for applications such as RF‑IF down conversion in HF and VHF receivers, second mixer in base stations, DC baseband conversion, quadrature modulation and demodulation, and Doppler shift detection in imaging.
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Counter Surveillance | RF Signal Detector | Bug Sweeper | BH-04 Professional | FCC & ICES Certified

  • DETECTS WIDER RANGE OF BUGS 10 to 8000 MHz at 70dB sensitivity including those with very weak signals and those with especially high power. This gives you access to a much wider range of bugs than most other anti-spy devices. Detection range is up to 16 feet in all directions. When set to Security Mode, it warns you if a spy device appears anywhere within 164 feet. Light weight of 7.0 oz and compact dimensions 5.0 x 3.0 x 0.6 in.
  • DETECTS RF SIGNALS with a built-in Frequency Meter. This is the tell tale sign of a listening or camera device set to eavesdrop on your activities. Quickly locates these devices revealing their frequency band. Now you can enjoy worry-free privacy without the threat of detection..
  • INSTANTLY RECOGNIZES MOST FREQUENCY BANDS used by nearly all spy devices. Detects GPRS, EDGE, 3G/4G, DECT, DECT BASE, BLUETOOTH, WLAN, GPS, Wi-Fi. As soon as the device sends a signal to the spy, BH-03 Expert spots it. Great for scanning your hotel room, office, home, meeting room and vehicle. Lets you filter out unnessary (known) positive signals. Don’t leave home without it!.
  • ELECTRONICALLY SCANS ROOM for hidden wireless microphones and transmitting cameras. Ultimate anti-spy tool lets you quickly locate hidden devices while telling you what k....
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Sunnytech Solar Mendocino Motor Magnetic Levitating Educational Model QZ14

  • ... light source more stronger, the faster the speed. The solar panels which equipped on the model convert sunlight to power and drive the model run freely ..
  • PRIORITY GIFT OPTION FOR MANY APPLICATIONS---- It is an amazing and fantastic product. Its elegant gift package makes it spruce up and presentable. It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc..
  • SPARK INTEREST IN SCIENCE---- In the powerful noon time, the model rotor will run freely, speedily, and stably. Oppositely, it performs a little bad in the morning or late afternoon, It may run slowly, act out no stable, a little shake, WHY ? We can’t wait to hunt out the knowledge behind the model..
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