Feature:1. Smart EMF Tester: This EMF detector can be used to measure the electromagnetic field to identify the equipment generating high radiation.2. Practical Detector: Multifunctional electromagnetic radiation detector, supporting electric field radiation detection and magnetic field radiation detection.3. With High Accuracy: Built in high electromagnetic radiation sensor, microcontroller chip processor can quickly and accurately measure electromagnetic radiation value, ensuring accurate and fast measurement.4. Clear Display: Clear backlight large screen, exceeding the alarm threshold, with two alarm methods of sound and screen value, making the large screen clearer and easier to understand.5. Easy Operation: There are two units of mG and T for the measured magnetic field radiance, and you can switch according to your needs.Specification:Item Type: EMF MeterModel: K7Magnetic Field Frequency Response Range: 5HZ-300HZMagnetic Field Range: 0.1-199.9 MGResolution: 0.1MGAlarm Threshold: >4.0 MGAccuracy: 15%Magnetic Field Range: 0.01-19.99TResolution: 0.01TAlarm Threshold: >0.4TAccuracy: 15%Electric Field Strength: 1-1999 V/MResolution: 1V/MAlarm Threshold:>40 V/MAccuracy: 15%Temperature Range: 10-50 , with 2 accuracy. Working Temperature and Humidity: 0-40, that is, 32-104, 45%-80%RH. Storage Temperature and Humidity: -20-60, that is, -4-140, 45%-80% RH. Power Supply: 3 x 1.5V AAA, batteries are not included. Material: ABS.Package List:1 xEMF Meter1 x User Manual