Reviews Magnetic Field Viewer For University

Digital Peephole Viewer Doorbell Mini HD Smart Security Camera 3.5 inches Indoor LCD Screen

  • HIGH-DEFINITION CAMERA：This digital cat-eye viewer provides up to 720P image resolution, home video doorbell can be displayed in high-definition and clearly understand the visitor information in time..
  • ULTRA WIDE ANGLE VIEW：This digital cat-eye viewer can provide a 120-degree ultra-wide viewing angle, 3.5″ digital LCD security camera provide you with a wider field of view, so that you can clearly see visitors..
  • DISPLAY：This digital cat-eye viewer is equipped with a 3.5-inch LCD color display with a high-definition resolution of 480 x 320p, 3.5 inch LCD HD screen peephole viewer can display images or videos clearly and smoothly..
  • DOOR BELL：This outdoor cat-eye observer is equipped with a mini HD smart surveillance camera, 24 hours monitoring, 3.5 inch digital doorbell can protect your family around the clock, greatly improving the security of your home..
  • SIMPLE DESIGN：This outdoor camera is made of high-quality zinc alloy, and the indoor main unit has a beautifully coated plastic cover, so door viewer camera is light and slim and peephole viewer photo is easy to install..
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MATTEL DLL68 MATTEL VIEWMASTER VIRTUAL

  • View-Master is back... and better! Enter a 360 degree virtual reality experience on a the View-Master! The iconic View-Master with a 21st century, virtual reality twist!.
  • The re-imagined View-Master is the only kid-targeted virtual reality viewer on the market, making it safer, easier to use. With the View-Master, kids of all ages can embark on dynamic field trips to explore famous places and landmarks, nature, planets and more in 360 degree 'photospheres'. Come have a look around!.
  • Ages 7 and up. The View-Master VR Viewer Starter Pack includes (subject to change): 1 Viewer 1 Preview Reel 1Phone Adapter Instructions The View-Master utilizes Google Cardboard technology. Compatible with iOS and Android smartphones (not included). The View-Master VR viewer is your portal to immersive, virtual reality adventures that will transport you around the world and beyond..
  • Just download one of the apps, slide your smartphone into the viewer, and, with a few simple clicks of the lever while looking through a reel, launch yourself through time and space! Stunning, 360-degree vistas will completely surround you. Literally move your head and watch the view change as if you were standing in the scene..
  • Explore everything, interact with each new virtual world and discover....
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Monocular Night Vision Goggle, Digital Night Vision Goggle IR Night Vision Monocular, PVS-14 for Helmet, Suitable for Night Vision Hunting

  • 【Clear vision】CMOS sensor offers clear view up to 2X magnification, provides high resolution colorful images in the daytime and black and white images in the night..
  • 【Larger Field of View】 Compared with the traditional circular viewer, the square viewer provides a larger field of view..
  • 【Infrared illuminator】 The visible distance of the infrared illuminator in the dark can reach 200 meters, and it provides clear black and white images, which is friendly to the eyes and can avoid visual fatigue..
  • 【Scope of application】The night vision monoculars are ergonomically designed, waterproof, lightweight, portable, suitable for night patrols, hunting and other occasions. The belt bracket can be fixed on the helmet..
  • 【Fully coated lenses】The night vision goggles are made of upgraded fully coated lenses, which have excellent light transmittance, improve color contrast, and restore true colors..
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BDBD Pvs-14 Night Vision Monocular for Helme,with Helmet Mount, Digital Night Vision Goggles Rifle Scope for Hunting Forest Observe Wildlife Secenery

  • [Clear vision]CMOS sensor offers clear view up to 2X magnification, provides high resolution colorful images in the daytime and black and white images in the night..
  • [Infrared illuminator] The visible distance of the infrared illuminator in the dark can reach 200 meters, and it provides clear black and white images, which is friendly to the eyes and can avoid visual fatigue..
  • [Larger Field of View] Compared with the traditional circular viewer, the square viewer provides a larger field of view..
  • [Scope of application]The night vision monoculars are ergonomically designed, waterproof, lightweight, portable, suitable for night patrols, hunting and other occasions. The belt bracket can be fixed on the helmet..
  • [Fully coated lenses]The night vision goggles are made of upgraded fully coated lenses, which have excellent light transmittance, improve color contrast, and restore true colors..
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Devonian Tesla Tester Gauss Meter Surface Magnetic Field Tester

  • Application:Handheld digital WT10A gauss meter used to measure the magnetic field of the permanent magnet material surface, DC motors, speakers, magnetic separator, permanent magnetic separator magnetic field demagnetization and the leakage of the magnetic field, parts machining residual magnetic field..
  • With small size, light weight and convenient carry, this instrument can meet the measurement requirements of various sites. 3，Can be used to measure DC magnetic field and flux density..
  • It has wide measuring range, simple operation and clear display..
  • Can be used to measure DC magnetic field and flux density..
  • Has the function of holding Measure Value/Peak Value, mT or Gs unit of display can be change over. Measuring range of 200mT or 2000mT, and others that as resetting zero by key and so on..
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Metal Detector FREE - turn your phone into magnetic field meter

  • Metal Detector PRO is an extremely useful application for your android phone.
  • Application Metal Detector PRO uses built-in magnetometer that can measure electromagnetic field (EMF) level in your surroundings..
  • This application detects electromagnetic fields there around your smart phone and tells you if there are metal close..
  • Meta Detector app uses built-in magnetic field sensor. Please check in your phone specification if your device is equipped with one..
  • The app detect ferromagnetic metals which means that only detects those which generate magnetic fields..
  • The metal detector app works also through walls so it can detect hidden electrical wires, studs and metals..
  • The magnetic field intensity is presented on a magnetic field intensity chart..
  • The magnetic field meter will play sound and vibrate if magnetic field generation object are detected in proximity of the app..
  • Please note that the accuracy depends entirely on the magnetic sensor (magnetometer) in your device and might be affected by electromagnetic waves generated by nearby electronic equipment..
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QXK Mini Projector 7500Lumens Portable LCD [100 Inch Screen Included] Full HD 1080P Supported, Compatible with TV Stick, Phone, Games, HDMI, AV, Slide for Outdoor Movies

  • 3X MAGINIFICATION GLASS SCREEN: Most slides and films are ultra-small, our Built-in Magnifier can magnify the image 3 times without Distortion, Blurriness or Loss of details, also Bright and Uniform Lighting, no color cast..
  • PORTABLE: Suitable for 2x2" mounted slides (need to be inserted into the back of the viewer) and 35mm film and negatives. Convenient battery operation allows you to view old slides anywhere.(USB Cable power can also be used, USB cable is included).
  • EASY TO USE: Desktop Portable Viewer with eject button and sliding tray for easy use in the studio or at home..
  • ULTRA-BRIGHT BACKLIT LIGHT BOX: Large field of view, ultra-bright Daylight LED Lighting, presents images in vivid, crystal-clear details..
  • REAPPEAR OLD MEMORIES OF LIFE: The personal slide viewer allows everyone to Memory the Past by Enlarging and Lighting 35mm slides, Films and Negatives..
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DIGITNOW!35mm Slide and Film Viewer, 3X Magnification LED Lighted Illuminated Viewing,USB Powered/Battery Operation-for 35mm Slides & Positive Film Negatives(4AA Batteries Included)

  • 3X MAGINIFICATION GLASS SCREEN: Most slides and films are ultra-small, our Built-in Magnifier can magnify the image 3 times without Distortion, Blurriness or Loss of details, also Bright and Uniform Lighting, no color cast..
  • PORTABLE: Suitable for 2x2" mounted slides (need to be inserted into the back of the viewer) and 35mm film and negatives. Convenient battery operation allows you to view old slides anywhere.(USB Cable power can also be used, USB cable is included).
  • EASY TO USE: Desktop Portable Viewer with eject button and sliding tray for easy use in the studio or at home..
  • ULTRA-BRIGHT BACKLIT LIGHT BOX: Large field of view, ultra-bright Daylight LED Lighting, presents images in vivid, crystal-clear details..
  • REAPPEAR OLD MEMORIES OF LIFE: The personal slide viewer allows everyone to Memory the Past by Enlarging and Lighting 35mm slides, Films and Negatives..
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Metal Detector PRO - turn your phone into magnetic field meter and magnetism tester with electromagnetic field app

  • Metal Detector PRO is an extremely useful application for your android phone.
  • Application Metal Detector PRO uses built-in magnetometer that can measure electromagnetic field (EMF) level in your surroundings..
  • This application detects electromagnetic fields there around your smart phone and tells you if there are metal close..
  • Meta Detector app uses built-in magnetic field sensor. Please check in your phone specification if your device is equipped with one..
  • The app detect ferromagnetic metals which means that only detects those which generate magnetic fields..
  • The metal detector app works also through walls so it can detect hidden electrical wires, studs and metals..
  • The magnetic field intensity is presented on a magnetic field intensity chart..
  • The magnetic field meter will play sound and vibrate if magnetic field generation object are detected in proximity of the app..
  • Please note that the accuracy depends entirely on the magnetic sensor (magnetometer) in your device and might be affected by electromagnetic waves generated by nearby electronic equipment..
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Rybozen 35 mm Slide Viewer Illuminated Slide Projector for for 2X2 & 35mm Photos & Film

  • [Reproduce your old memories] --- The personal slideshow viewer enlarges and lights up 35mm slides and film negatives for everyone to enjoy and....
  • [2x magnification glass screen]---This scanner uses a polymer glass screen, high-definition, translucent. Since most slides and films are very small,....
  • [High-quality luminous box]---Large field of view, ultra-bright daylight LED lighting can present vivid, crystal clear and detailed images, perfectly....
  • [Easy to use]---Desktop portable viewer, small in size, can be used when you put a film or tray from the side, suitable for use at home or when....
  • [Small size]---The whole is only the size of a palm, especially suitable for outdoor photography. The shell is made of high-strength plastic, sturdy....
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Sumnacon Large Door Viewer 220-degree with Heavy Duty Rotating Privacy Cover Solid Brass Security Peephole for 1.65 to 2.16 Doors for Home Office Hotel Black

  • ...is very good at gathering and transmitting light. It is very clear through the glass optics (unlike cheap peepholes with plastic lenses). The lens is 0.675" (17mm) in diameter. Because the lenses are large, the image shows up nice and clear..
  • This suitable for 1.65" to 2.16" ( 42mm - 55mm) thickness doors.Insert the viewer into the hole then screw the two sides together and tighten by hand. The viewing tube is somewhat larger than many other standard peephole viewer, offering a better field of view. You can apply a thin coat of silicon sealant to the inside and outside flanges before installing the unit, to help keep moisture out..
  • On this viewer, the plate rotates freely and has a quality feel to it, this privacy cover is great for stopping those with reverse peepholes from spying on you. Maybe you initially was going to buy the cheaper, smaller version but you will be glad to spend the extra for this one.
  • Its material is solid brass,high quality door viewer and has a nice 220-degree visual angle. After installed it, you can view a person who standing outside from the top of the head to the feet, and you can easily view the entire surrounding area.It offers the highest quality security for you and your family..
  • Perfect peephole for home, office, hotel a....
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GLTL Gaussmeter Tesla Meter Surface Magnetic Field Tester with N/S Function + Metal Probe

  • ★, Application: Handheld digital WT103 gauss meter used to measure the magnetic field of the permanent magnet material surface, DC motors, speakers, magnetic separator, permanent magnetic separator magnetic field demagnetization and the leakage of the magnetic field, parts machining residual magnetic field. Measuring range: 0 to 200mT milli-Tesla of - 2000mT milli-Tesla.
  • ★, Basic error: ±2percent ±3 word (below 1000mT millitesla of) ±5percent ±3 words (over 1000mT millitesla).
  • ★, Ambient temperature: 5℃~40℃ Relative Humidity: 20%~80% (non-condensing) Power supply: one 9V battery, external power supply (Battery is not included).
  • ★ ,Package Included: 1 x WT103 Gaussmeter Tesla meter.
  • 1 x DC Adapter ( includes AAA*3 Batteries ).
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3 in 1 EMF Meter,EMF Reader,Electromagnetic Field Radiation Detector,EMF Tester for Home,EMF Detector with Sound Light Alarm,Ghost Hunting Equipmetent

  • ...hone, computer,TV, refrigerator high voltage line radiation detection.
  • Test the effect of protective equipment such as radiation protective clothing and radiation protective film.
  • 【3 in 1 EMF meter】One machine for three purposes, simultaneously detecting electric field, magnetic field radiation and temperature.Short press "MODE" key, the electric/magnetic field and ℃/℉ function conversion.
  • 【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
  • Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.
  • 【Hold data】The instrument reading will be locked by pressing the HOLD key, and the "H" symbol will be displayed on the screen. If there is no need to lock, press the HOLD key again.
  • 【Graphic display】LCD graphic display of radiation value trend.Radiation assessment, to remind you whether the current radiation value is safe.
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