This EMF meter is widely used for testing and learning about electromagnetic radiation situations indoors and outdoors. It can test magnetic field radiation, electric field radiation, and the temperature of the test environment. With a built-in electromagnetic radiation sensor, this tester can display the radiation values on the clear LCD screen after processing by the control microchip. Features: -Just the right size: Easy to carry and operate with one hand. -LCD Display: Large and clear, easy to read values. -Flashlight Function: See the values clearly in the dark. -One EMF meter with three measurements: Measures magnetic field radiation, electric field radiation, and temperature. -Multiple unit conversions: mG/?T/(V/M)//H -Data hold and max measurement: One button locks the data. -Sound and light alarm: When the test result exceeds the safe value, the instrument will alarm automatically. -Wide application: Measurement of radiation from TVs, induction cookers, rice cookers, refrigerators, computers, appliances, electrical wires, etc. Specifications: Material: ABS Color: Black Power Supply: 1 * 6F22 9V battery (not included) Automatic shutdown: No operation for 15 minutes Operating environment: 0-40/32-104H, 45%-80%RH Frequency range: 5Hz-3500MHz Magnetic field strength measurement range: 0.1-199.9mG / 0.01-19.99?T Resolution ratio: 0.1mG / 0.01?T Alarm threshold: > 4.0mG / > 0.4?T Electric field strength measurement range: 1-1999V/M Resolution ratio: 1V/M Alarm threshold: > 40V/M Ambient temperature measurement range: 0?50/ 32?122H Resolution ratio: 1/H Accuracy: 1.5/ 3H Item size: Approx. 19.2*5.38*3.5cm / 7.56*2.12*1.38in Item weight: Approx. 110g / 3.88oz Package size: Approx. 23*8*5cm / 9.06*3.15*1.97in Package weight: Approx. 200g / 7.05oz Packing List: 1 * Electromagnetic Radiation Detector (EMF Meter) 1 * User Manual (English) 1 * Cloth Bag