Item Type: EMF Meter Model: K7 Magnetic Field Frequency Response Range: 5HZ-300HZ Magnetic Field Range: 0.1-199.9 MG Resolution: 0.1MG Alarm Threshold: >4.0 MG Accuracy: 15% Magnetic Field Range: 0.01-19.99T Resolution: 0.01T Alarm Threshold: >0.4T Accuracy: 15% Electric Field Strength: 1-1999 V/M Resolution: 1V/M Alarm Threshold:>40 V/M Accuracy: 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 1Smart EMF Tester: This EMF detector can be used to measure the electromagnetic field to identify the equipment generating high radiation. 2Practical Detector: Multifunctional electromagnetic radiation detector, supporting electric field radiation detection and magnetic field radiation detection. 3With High Accuracy: Built in high electromagnetic radiation sensor, microcontroller chip processor can quickly and accurately measure electromagnetic radiation value, ensuring accurate and fast measurement. 4Clear 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. 5Easy Operation: There are two units of mG and T for the measured magnetic field radiance, and you can switch according to your needs.1 x EMF Meter 1 x User Manual