Design: This digital EMF meter is for travel, parapsychological research, visitors and hotel inspections. The portable design is easy to carry and , and can be tested anywhere. Wide Applications: Electromagnetic radiation detectors can measure such as , air conditioners, induction cookers, rice cookers, refrigerators, computers, wires and other paranormal equipment. Sound and light alarm: When the detection exceeds the safety value, the EMF meter will alarm automatically. As the radiation value increases, the frequency of the alarm sound becomes louder. Radiation Assessment: EMF detectors help you better understand electromagnetic fields (EMF) and understand how to minimize EMF exposure. EMF can test for both electrical and magnetic -amp radiation. Easy Operation: The radiation tester intimately reminds us whether the current radiation value is safe. It is sleek and convenient to use with one hand, making it easy to measure in . Colour:yellow Material:plastic Size:about 12.5 x 6cm Package Contents: 1 * Electromagnetic radiation tester 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.