Keeps you away from radiation, good for .
Special function 5-LED indicators, representing different radiation values; easy to use.
Application 50/60Hz frequency monitoring.
Dark green 0 1.5 milligauss; green light 1.5 to 2.5 milligauss; blue 2.5 to 10 milligauss; orange 10 to 20 milligauss; red 20 + milligauss.
Power supply :dry battery 9V 6F22 (without battery)

Colour:Black
Material:ABS
Size:167x65x37MM

Package Contents:
1 * Radiation Detectors