Specification-Material: ABS-Colour: Black-Power supply: 1*6F22 9V battery (not included)-Automatic shutdown: 15 minutes of no operation-Working environment: 0-40/32-104, 45%-80%RH-Frequency range: 5Hz-3500MHz-Magnetic field strength measurement range: 0.1-199.9mG / 0.01-19.99?T-Resolution: 0.1mG / 0.01?T-Alarm threshold:> 4.0mG /> 0.4?T-Electric field intensity measurement range: 1-1999V/M-Resolution: 1V/M-Alarm threshold:> 40V/M-Ambient temperature measurement range: 050/ 32122-Resolution: 1/-Accuracy: 1.5/ 3Features-Suitable size: easy to carry and one-handed operation.-LCD display: large and clear, easy to read the values.-Flashlight function: clearly see the value in the dark.-An electromagnetic field measuring instrument, three measurements: measurement of magnetic field radiation, electric field radiation and temperature.-Multi-unit conversion: mG/?T/(V/M)//-Data retention and maximum measurement: One key to lock data.-Sound and light alarm: When the detection result exceeds the safe value, the instrument will automatically alarm.-Wide range of applications: measuring the radiation of TVs, induction cookers, rice cookers, refrigerators, computers, electrical appliances, wires, etc.Package Included1 * Electromagnetic radiation detector (EMF meter)1 * User Manual (English)