Description:_x000D_ This meter can test electric field radiation and magnetic field emission to reach the optimal test result. It is used to test and learn electromagnetic radiation situation indoor and outdoor. It is equipped with a built-in 6F22 battery for both indoor and outdoor use._x000D_ _x000D_ Features:_x000D_ _x000D_ Easy to use, low cost. _x000D_ Simple operation and fast measurement. _x000D_ Data locking, one-key lock of the radiation value. _x000D_ LCD display of the values for easier reading. _x000D_ Wide test band width from 5Hz ~ 3500MHz _x000D_ Designed to meet CE industrial standard. Great for home, office, computer room, control room,etc. _x000D_ Compatible with the electric field and the magnetic field radiation measurement. _x000D_ _x000D_ Specifications:_x000D_ Color: Black (Shown as the pictures)_x000D_ Size: 132 (length) x 69 (width) x 31mm (thick) / 5.20 x 2.72 x 1.22''_x000D_ Package weight: 216g_x000D_ Readings display: 3-1 / 2 bit LCD display_x000D_ Level: electric field - V / m (volts / m); magnetic field - T (micro Tesla)_x000D_ Accuracy: electric field: 1V / m;_x000D_ Magnetic field: 0.01T Range:_x000D_ Electric field: 1V / m-1999V / m;_x000D_ Magnetic field: 0.01 T to 19.99 T _x000D_ Alarm threshold: electric field: 40V / m; _x000D_ Magnetic field: 0.4T_x000D_ Test bandwidth: 5Hz-3500MHz_x000D_ Sampling time: about 0.4 seconds_x000D_ Sensor head: single axes (instrument top)_x000D_ Overload warning: LCD display "1"_x000D_ Operating temperature: -15 - +60 _x000D_ Operating humidity: relative humidity below 80%_x000D_ Operating voltage: 9V _x000D_ Battery: built-in 9 V 6F22 battery_x000D_ _x000D_ Application Scope:_x000D_ 1. Outdoor environmental electromagnetic radiation testing: substation, high voltage lines, transformers, power distribution rooms, cables, cell phone towers, TV signal towers, radio signal towers and other sources of measurement._x000D_ 2. Indoor environment electromagnetic radiation testing: computer, TV, copier, fax machine, air conditioning, refrigerator, audio, washing machine, wire, power supply, mobile phone, wireless router and other power sources of test analysis_x000D_ _x000D_ Note:_x000D_ Please allow 1-3mm error due to manual measurement and there will be different color as different display, please understand. Thanks._x000D_ _x000D_ Package Included:_x000D_ 1 x Electromagnetic Radiation Detector_x000D_ 1 x User Manual1 Easy to use, low cost. Simple operation and fast measurement. 2 Data locking, one-key lock of the radiation value. LCD display of the values for easier reading. 3Wide test band width from 5Hz ~ 3500MHz. 4Designed to meet CE industrial standard. Great for home, office, computer room, control room,etc. 5Compatible with the electric field and the magnetic field radiation measurement.