1. Digital electromotive force meter built-in 3 electromagnetic radiation sensors
2. Measure the radiation of electromagnetic stove, microwave oven, refrigerator, to protect the safety of the home
3. Buzzer alarm design, when the test results exceed the safety value, the instrument will automatically alarm
4. With flashlight, can also work at night
5. Internal special ABS material, drop-proof and durable

Parameters:
1. Resolution: magnetic field: 0.1mg/0.01T; electrical field: 1V/M
2. Range: magnetic field: 0.1-199.9mg/0.01-19.99T; electrical field: 1-1999V/M
3. Alarm threshold: magnetic field: greater than 4mg/0.4T; electrical field: greater than 40V/M
4. Frequency response range: magnetic field: 5hz-300hz; electrical field 4hz-3500mhz
5. Accuracy: about 15 percent
6. Temperature range: -20-60 degrees celsius
7. Sampling time: about 0.4 seconds
8. Low voltage indication: less than 6.8V
9.