1. The electromagnetic radiation tester successfully tested the compatibility of electric field radiation and magnetic field radiation and achieved the best test results 2. Tested and understood the current status of electromagnetic radiation in indoor and outdoor environments 3. The product has a built-in electromagnetic radiation sensor, which is processed by the control chip . 4. LCD digital display radiation value. 5. Reasonably handle or effectively avoid electromagnetic radiation and electromagnetic waves based on the test results. Parameters: Measuring electric field: Range: 1V/m-1999V/m Alarm threshold: 40V/m Resolution: 1V/m Measuring magnetic field: Range: 0.01T-99.99T Alarm threshold: 0.4T Resolution: 0.01T Measuring temperature: Range : -10~70 Reading display: 3-1/2 digit LCD display Test bandwidth: 5Hz-3500MHz Sampling time: about 0.4 seconds Working temperature: 0~50 Working humidity: 80% relative humidity Working voltage: DC4. 5V power supply: AAA1.5V*3PCS (not included) Weight: 125g Real-time measurement features of electromotive force meter: 1. Multi-purpose in one machine, can detect electric field, magnetic field, bat radiation, temperature at the same time 2. Sound and light alarm, automatic alarm when safety threshold is exceeded 3 .Data lock, lock the radiation value with one click 4. LCD graphics display radiation value trend 5. Radiation assessment, intimate reminder whether the current radiation value is safe 6. Stylish appearance, one-handed operation, easy to move or measure Website size: 152 x 52 x 26.5 mm Material: ABS Color: Black Package contents: 1 x Radiation dosimeter 1 x English manual Only the above package contents are included, other products are not included. NOTE: Light reflections and different monitors may cause the color of the item in the picture to differ slightly from the actual item. The measurement allowance is +/-1-3cm.