Best Computer Screen Light Meter

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PRECISE MEASUREMENT: Equipped with a built-in electromagnetic radiation sensor, which can display the radiation value on the clear LCD digital display after processing by control micro-chip. Testing magnetic field radiation with optional units mG/µT, the electric field with unit V/m. This emf meter can not test the RF value..
SOUND-LIGHT ALARM: When the testing result exceeds the value(0.4µT (4mG) or 40V/m), the screen will turn red and the indicator will be flashing, and the buzzer will alarm. If you’re testing some quiet areas, you can close the buzzer first, avoid disturbing the others..
MULTIFUNCTION: Testing average or peak value(Maximum) reading, and one key hold the data for a view. Large and back-light LCD is clear for viewing. Auto power off after 5 minutes without operation..
WIDELY APPLICATIONS: Mainly used for testing TV, computer, printer, microwave oven, refrigerator, cell towers, for low-frequency home appliances, and ghost hunting, etc..
CUSTOMER SERVICE: ERICKHILL strives to create professional and high-quality meter. We provide a 36-month after-sale service, lifetime technical support. If you have any questions, please feel free to contact us, our professional after-sales team will solve your problem in time..

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XUNTOP EMF Meter Reader EMF Detector Handheld Digital Electromagnetic Field Radiation Detector with LCD Backlight Sound-Light Alarm Max Average Value Lock for Home Office Industrial Site

...mf detector tests electromagnetic field range from 0.01-99.99uTI/0.1-999.9mG with a resolution of 0.01uT/0.1mG. Detects electric field range 1-1999V/M with 1V/M resolution. Can test invisible radiation to make sure you have a healthy and safe life. Can be used to test TV, induction cooker, refrigerator, cell phone, computer, electrical wires, WIFI signal, wire tower, and any other low-frequency home appliances, etc..
【3 Colors Sound-Light Alarm 】XUNTOP EMF Meter is built-in signal strength prompt speaker, and will trigger sound-light alarm when the radiation data exceeds the safe range (Electric field > 40 V/M and Magnetic field> 0.4µT)-the detector will flash red and alert the user via an alarm sound automatically, also shows "safe" and "harmful" on the LCD display which make the result more easier to understand. Long press the “UNIT” can turn off the sound.
【Easy and Convenient to Use】Data retention to lock Peak Value (Maximum)/Average Value by one key for review. It is a good helper to check out whether the place is radiation-free. Measure both magnetic field radiation and electric field radiation at same time clearly and ac....

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Blue Light Blocking Screen Protector – Blue Light Screen Protector for 20 and 22” Widescreen Monitors – Easy Install Blue Light Filter for Computer Screen – Universal Size Blue Light Screen（19.3“x12.5 ）

BLUE LIGHT BLOCKING SCREEN PROTECTOR – If you are sitting at your computer for extended periods of time, then this blue light screen protector is....
REDUCE EYE FATIGUE AND IMPROVE SLEEP QUALITY – by using a blue light screen, 420-460 nm blue wave, radiation and other harmful light sources are....
EASY TO INSTALL BLUE LIGHT FILTER FOR COMPUTER SCREEN – our blue light screen is easily fitted to your computer monitor in seconds, without the need....
UNIVERSAL SIZE BLUE LIGHT SCREEN – this blue light filter for computer screen is designed to fit computer screens ranging from 20 inches to 22....
EYESAPAJOU 100% SATISFACTION GUARANTEE – we are highly confident in the superior quality and effectiveness of our blue light blocking screen....

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Magene C406 Bike Computer with Holder, Waterproof GPS Cycling Computer, Wireless Smart Road Bicycle Monitor, 2.5 Inch LCD Screen

Note: The screen has been upgraded to switch mile/km system. You can choose mile/km display you want in the OnelapFit APP settings.(Before using C406 bike computer for the first time, you must download the OnelapFit APP from Google Play or Apple Store.).
The Best 2.5-inch Screen: Adopts a 2.5-inch automatic backlight high-definition large screen design, which can present more data items and make the data more visible..
Four Satellite Positioning Systems: Support GPS, Beidou, Galileo, and Glonass global navigation systems. Fast positioning within 30 seconds, allowing you to take every step with confidence. Calculate the sunrise and sunset time based on GPS information, support Bluetooth and GPS automatic time calibration, and the time information is accurate. (Note: The positioning speed is affected by the weather and other conditions change.).
Comprehensive Data and Setting Functions: 9 types of 37 optional professional data. Provide power estimation, support power meter and lap counting functions, and support bilateral power meter data recording. Whether you are an entry, advanced, or professional training user, C406 can meet your requirements..
Compatible with "ANT+ and Bluetooth sensors": C406 is a bike computer that supports ANT+ protocol connection,....

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Magene C406 Bike Computer with Holder, Waterproof GPS Cycling Computer, Wireless Smart Road Bicycle Monitor, 2.5 Inch LCD Screen

Note: The screen has been upgraded to switch mile/km system. You can choose mile/km display you want in the OnelapFit APP settings.(Before using C406 bike computer for the first time, you must download the OnelapFit APP from Google Play or Apple Store.).
The Best 2.5-inch Screen: Adopts a 2.5-inch automatic backlight high-definition large screen design, which can present more data items and make the data more visible..
Four Satellite Positioning Systems: Support GPS, Beidou, Galileo, and Glonass global navigation systems. Fast positioning within 30 seconds, allowing you to take every step with confidence. Calculate the sunrise and sunset time based on GPS information, support Bluetooth and GPS automatic time calibration, and the time information is accurate. (Note: The positioning speed is affected by the weather and other conditions change.).
Comprehensive Data and Setting Functions: 9 types of 37 optional professional data. Provide power estimation, support power meter and lap counting functions, and support bilateral power meter data recording. Whether you are an entry, advanced, or professional training user, C406 can meet your requirements..
Compatible with "ANT+ and Bluetooth sensors": C406 is a bike computer that supports ANT+ protocol connection,....

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VIVOSUN Digital PH Meter, TDS and EC Pen for Water, Soil Moisture Tester

pH Meter: With an Automatic Temperature Compensation function, the meter quickly adjusts to water temperature and provides near-immediate pH readings.
With our advanced technology, the test results are fast and accurate.
Results are clearly displayed on an LCD screen.
3-in-1 TDS Meter: Also comes with Automatic Temperature Compensation and a long battery life.
Shuts off automatically if unused for 5 minutes.
Contains an agile titanium alloy electrode.
Easy to read the LCD screen and write with the hold function.
3-in-1 Soil Tester: Tests soil moisture, light, and pH—just press one button to switch modes.
This tester can test soil moisture so you know when to water your soil.
Use this tester to rapidly grow and garden more efficiently.
Easy to Use: The pH meter is pocket-sized, lightweight, and easy to use and read—it even comes with a backlight so you can use it in darker areas.
The large LCD screen and save function on the TDS Meter make reading and recording a breeze.
The 10.8-inch Soil Tester is durable and easy to carry around, plug, and use and no batteries are required.
Versatile Application: Testing TDS and pH would greatly benefit your homes, labs, aquariums, swimming pools, hydroponics, and drinking water—it’ll save you money while prote....

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COOSPO Bike Computer GPS Wireless ANT+ Cycling Computer GPS with Bluetooth Multifunctional ANT+ Bicycle Computer GPS with 2.4 LCD Screen Bike Speedometer with Auto Backlight IP67

✅Accurate GPS Positioning: Coospo new GPS bike computer has 2 modes of global positioning, which can provideaccurate GPS data all over the world. Attention: First time positioning will take 3-5 minutes, please make sure you are outdoor..
✅Bike Computer ANT+：Coospo cycling gps computer can support heart rate monitor, speed and cadence sensor, power meter connection through ANT+，All cycling data you will get if sensor connection with bike computer..
✅Bluetooth APP Connection: By using CoospoRide App, you can set bike computer very easily on your phone, such as: quickly connect and easily set the device, load GPS track route map, record and analyze cycling activity records, update the latest firmware and so on..
✅Sync Activity(.fit file) to Strava: You can also sync activity(.fit file) to Strava via Coosporide App on your phone by bluetooth directly.CooSpo bike computer can record 80 hours of your riding data..
✅2.4 Inch Screen with Auto Backlight: 2.4-inch segment code FSTN glass screen, sunlight readable display, automatically sensing the environment to turn on the backlight. It is a screen that’s ready for any adventure..

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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

【Widely used】Home, office, outdoor, industrial.
Mobile phone, 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 radi....

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PH Meter, TDS PPM Meter, Soild PH Tester[Upgraded Version], 3 in 1 for Home Water and Garden Soil Use

[Package]: - 1 PH Meter(yellow) +1 TDS & EC Meter (white)+1soil tester kit (green). Total is 3 PCS..
[Functions]: - The digital PH meter is equipped with Temperature detector and PH tester function. TDS meter can tester water purity level, which show on the screen in PPM (parts per million). The soil meter can test the pH,light, moisture of soil, to help grow your plant more easy..
[Quick and accurate]: - th ph and tds tester can test quickly and accurately within ±0.02. It only takes a few seconds to show accurate data on the screen..
[Easy to use]: - ph tester and tds meter have sensitive electrode sensor ,simply press "ON". It only takes a few seconds for your result to appear the data on screen. Soil test kit just need to insert the probes into the soil about 4-6 inches, and wait for about 10 mins to read the accurate data..
[Widely use]: - These meters are designed small and convenient. PH meter and can test pH balance,TDS meter can test water ppm ideal for testing drinking water, swimming pools, hydroponics, and more. Soil tester is applicable to plants, garden, lawn and farm.(Kindly note: Please clean and dry the probe with clean water after each use, as any water or matter left on the probe will affect the accuracy of the next test).

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