LCD screen: Large and clear display, easy to read values, the tester has a flashlight on the back. Larger frequency range: The measurement frequency range is larger up to 5HZ3500MHz, getting more accurate measurement of daily home appliances. Audible and visual alarm: The instrument will automatically alarm when the test result exceeds the safety value. Portable: Easy to carry and very convenient to operate with one hand. Wide application: It can be used for radiation measurement of TV, induction cooker, rice cooker, refrigerator, computer, electrical appliances, electric wire, etc. Specification: Color: black and green Material: abs Automatic power off: no operation within 15 minutes Operating environment: 0-40rh/32-104rh, 45%-80%rh Frequency range: 5hz-3500mhz Magnetic field strength measurement range: 0.1-199.9mg/0.01-19.99T Resolution: 0.1mg/0.01T Alarm limit: gt;4.0mg/ gt;0.4T Range: 1-1999 v/m Resolution ratio: 1v/m Alarm limit: gt; 40v/m Ambient temperature measurement range: 050/ 32122 Setting ratio: 1/ Accuracy: 1.5/ 3 Power supply: 1 * 6f22 9v battery (not included) Package size: 19.2 * 5.4 * 3.5cm Package weight: 162g Packing List: 1 * EMF Meter 1 * Cloth Bag 1 * User Manual