1. The electromagnetic radiation tester successfully tests the compatibility of electric field radiation and magnetic field radiation, and achieves the best test results_x000D_ 2. Test and understand the current state of electromagnetic radiation in indoor and outdoor environments_x000D_ 3. The product has a built-in electromagnetic radiation sensor, which is processed by a micro-control chip_x000D_ 4. LCD digital display radiation value_x000D_ 5. Reasonably handle or effectively avoid electromagnetic radiation and electromagnetic waves according to the test results._x000D_ _x000D_ parameter:_x000D_ To measure the electric field:_x000D_ Range: 1V/m-1999V/m_x000D_ Alarm threshold: Greater than 40V/m_x000D_ Resolution: 1V/m_x000D_ To measure the magnetic field:_x000D_ Range: 0.01T-99.99T_x000D_ Alarm threshold: Greater than 0.4T_x000D_ Resolution: 0.01T_x000D_ measure temperature:_x000D_ Range: -10~70_x000D_ Reading display: 3-1/2 digit LCD display_x000D_ Test bandwidth: 5Hz-3500MHz_x000D_ Sampling time: about 0.4 seconds_x000D_ Working temperature: 0~50_x000D_ Working humidity: below 80% relative humidity_x000D_ Working voltage: DC4.5V_x000D_ Power supply: AAA1.5V*3PCS (not included)_x000D_ Weight: 125g_x000D_ EMF meter real-time measurement features:_x000D_ 1. Sany machine is multi-purpose, and can detect electric field, magnetic field, bat radiation, temperature at the same time_x000D_ 2. Sound and light alarm, automatic alarm when the safety threshold is exceeded_x000D_ 3. Data lock, one key to lock the radiation value_x000D_ 4. LCD graphic display radiation value trend_x000D_ 5. Radiation assessment, intimately reminding whether the current radiation value is safe_x000D_ 6. Stylish appearance, one-handed operation, convenient for moving or measuring websites_x000D_ Size: 152 x 52 x 26.5mm_x000D_ Material: ABS_x000D_ colour: black_x000D_ _x000D_ Package Contents:_x000D_ 1 x Radiation Dosimeter_x000D_ 1 x English manul_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_