Reviews Magnetic Field Viewer For Students

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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KAXYUYA GPS Bug Detector Anti Spy Detector Rf Detector Hidden Camera Detectors GPS Tracker Detector for Car Bug Sweeper Spy Detector Bug Detector Finder GSM Listening Device Detector

  • Most advanced detector: Anti Spy Detector Bug Detector Finder is an effective RF signal & Magnetic Field Detector that helps you detect various hidden spy devices in the surrounding environment, such as hidden cameras, GPS trackers and eavesdropping devices. Imported ultra-high sensitivity chips and exquisite designed to protect your privacy..
  • Upgraded dual-function simultaneous detection: Upgraded electronic sweeper for tracking devices, wiretaps and hidden cameras can detect hidden device more quickly and more accurate. Magnetic field and electromagnetic waves can be detected simultaneously without switching modes repeatedly. Help you accurately find wireless cameras, bugs and GPS trackers hidden in your home and car..
  • Professional privacy protection: The bug sweeper can accurately detect various GPS locators, trackers, eavesdroppers, 1.2G~5.8G wireless camera, RF signal from SIM card bug and other equipment. This camera detector bug detector spy camera finder protects your privacy at all times. It is a high-power professional anti spy detector..
  • Widely Applicable: The anti spy detector hidden device detector can use for home, office, hotel, motel, car, bathroom, dressing room, business negotiation, confidential session, entertainment venues or a....
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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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SPACECARE Magnetic Iron Powder Filings for Magnet Education and School Projects, 2 Storages Jar (12 Ounces X 2) with Shaker Lids, 2 Pack

  • 2 storages jar containing 24 oz iron filings with shaker lids. Suitable for children over 8 years old..
  • Explore the basic concepts of magnetic fields, including poles and attraction. Using these iron filings, a magnet , and a sheet of paper, you can view patterns of force created by a magnetic field..
  • Used for magnet education and school projects to show your students and kids the magetic lines. Our iron powder will be a good assistant for you to know the magnetic fileds..
  • Inhaling, consuming and prolonged direct contact with eyes, skin and clothing must be avoided at all time. Wash hands thoroughly after use. Suitable for children over 6 years old..
  • The product has the characteristics of safety and health, please rest assured to use. Note: wash hands after use..
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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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