Introduce: Electromagnetic radiation tester successful electric field radiation, magnetic field radiation compatibility test and achieve the best test effect, used to test and understand the status of electromagnetic radiation indoor and outdoor environment.Product built-in electromagnetic radiation sensor, through the microcontrol chip processing, to LCD digital display radiation value. According to the test results, electromagnetic radiation should be treated reasonably or avoided effectively.Feature: Unit: V/m, uTPrecision: 1V/m, 0.01uTRange: 1 V/m-1999 V/m, 0.01 uT-99.99 uTAlarm threshold: 40V/m, 0.4uTModel: GN902Buzzer switch: Screen display: LCD backlit screenLow battery prompt: Unit switching: uT/mG / data retention: Power supply: 1.5V AAA batteryx2(Ship without battery)Auto power off: Sound and light alarm: Reading display: 3-1/2 LCDWorking voltage: 3VTest bandwidth: 5Hz-3500MHzOperating temperature: 0~50Sampling time: About 0.4 secondsOperating humidity: 80%PHTest Mode: Average/ ModeOverload Tips: LCD display range, maximum valueElectromagnetic radiation monitoring: Home, office, outdoor, industrial...Electromagnetic radiation detection: Mobile phone, computer, TV, refrigerator, high voltage cable...Radiation protection supplies inspection: Effect inspection of radiation protection clothing, radiation protection film and other Material: ABScolour: redPackage Contents: 1 x Electromagnetic radiation tester1 x English lnstruction Manual1 x screwdriverOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.