EMF Meter, Nuclear Radiation Detector,Geiger Counter,Digital LCD EMF Detector, Electromagnetic Radiation Tester with 3 Color Lights

[Precise measurement] Built-in electromagnetic radiation sensor. After being processed by the controlling microchip, the radiation value can be displayed on the clear LCD digital display. The radiation unit of the test magnetic field can be mG/µT, and the unit of the electric field is V/m. [Three-level value] Use a three-color light for quick detection to remind you whether the current radiation level is safe. Safe (0-1.99 mg/0-0.19 ut), Caution (2-3.99 mg/0.2-0.39 ut), Dangerous (greater than 4 mg/0.4 ut). If you are in danger, it will sound an alarm. [Multiple functions] Test average or maximum readings, save data display with one key. The large backlit LCD display is crisp and clear. Automatically shuts off after 5 minutes of inactivity. [Wide range of applications] the measurement frequency can reach 5Hz to 3500MHz. Mainly used to test TVs, computers, printers, microwave ovens, refrigerators, low-frequency appliances, etc.Please note - The machine is powered by 3 AAA batteries, not included. You need to buy it yourself.