3-In-1 EMF Detectors: The rechargeable electromagnetic field radiation detector accurately detects electric field strength (EF), radiated power (RF) and magnetic field strength (MF). The EMF radiation meter has a built-in high sensitivity EF sensor extends the measurement range from 50MHz to 3.5GHz, providing you with a comprehensive monitoring of the electromagnetic environmentVersatile Applications: EMF Meter can detect microwave radiation emitted by WiFi signals, 5G signals, microwave ovens and other appliances, as well as measure electromagnetic radiation emitted by household appliances such as , induction cookers, rice cookers, refrigerators, computers, and power strips. It can help you layout your room to avoid placing you in a high radiation environmentSound and Light Alarm: If the test result of digital emf meter exceeds the alarm setting value, the alarm will be activated. At this time, the red light blinks, the buzzer beeps, and the EMF detector screen lights up automatically even when the screen is off. If you need to turn off the sound, you can operate in the power saving settingsEndurance and Auto Off: The rechargeable electromagnetic field radiation detector has the ability to set the screen off time (1 to 9 minutes or always on) and auto off time (1 to 9 hours or always on) at any time. RF detector has a built-in rechargeable Li-ion battery with a battery life of up to 20 hours, even when used outdoors. The EF detector has a built-in rechargeable lithium battery that lasts up to 20 hours, even when used outdoorsParameter Details: The EMF reader is designed with a TFT2.0 colour screen, measures 117.8 x 50.8 x 19.8 mm and weighs 67 grams, making it easy to carry. It can detect electric field from 0.1 - 2000V/m, radiation from 0.2 - 5400mW/m (540W/cm) and magnetic field from 0.1 - 1200Gs (0.01 - 120mT). The range of alarm values can be set on demand, greatly enhancing the user experienceApplication ScenarioThis electromagnetic detector has a wide range of applications and can detect electromagnetic radiation emitted by household appliances such as microwave ovens, communication base stations, WIFI routers, mobile phones, computers, , stereos, refrigerators, air-conditioners, electric heaters, etc. It can assist you in planning the layout of your indoor electronic equipment and preventing it from being exposed to a high radiation environment.Colour:BlackMaterial:plasticPackage Contents:1 x EMF MeterOnly 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.