1. Small body, big effect, just press the button to start the measurement, and the operation is simple and sensitive, ensuring the accuracy of the measurement results. 2. The living environment is full of radiation. There are many radiation sources in . Microwave ovens, electric fans, air conditioners, etc. can all emit radiation. Care for the health of your family and stay from radiation. 3. Electromagnetic radiation is the main cause of cardiovascular disease. Electromagnetic radiation damages the human reproductive system, nervous system and immune system. Electromagnetic radiation is the cause of miscarriage, infertility and fetal abnormalities in pregnant women. 4. Electromagnetic radiation directly affects children's growth and bone development, leading to vision loss, retinal detachment, and loss of liver hematopoietic function. Electromagnetic radiation may reduce physiological function. Please stay from radiation for the safety of your family 5. A multi-functional portable machine can detect electric field and magnetic field radiation at the same time Product Description Product name: electromagnetic radiation tester, household nuclear radiation tester, Voltage: 1.5V Applicable battery: AAA Model ET825 Size 13.5 x 6 x 2.7cm Weight 144g color: Black Material: ABS Package Contents: 1 x Electromagnetic radiation detector Only the above package content, other products are not included. 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.