assessment: sound, light, yellow & red alarms for excessive radiation. Built-in Battery: Built-in large capacity lithium battery to supplys power, & you can recharging it in time when power off. Wide Applications: As an electromagnetic radiation tester, this tool can be used for measuring high-voltage lines, distribution stations, computers, televisions, audio, magnetics field radiation generated by wires & sockets, measuring the alternating magnetics field radiation generated by alternating current through coils, such as radiation generated by electric fans, hair dryers, induction cookers, washing machines, air conditioners, & electrical appliances with motors. It is also applicable to WIFI equipment, mobilephone signals, BT signal, base station, etc. As a radiation tester, this tool can be widely used in decoration stone testing, industrial nuclear pollution testing, geological survey testing & so on. Specifications:
Material: ABS Battery: 1 * lithium battery, 3.7V,