Large screen display makes it easier to read data, and the buttons are easy to operate. The housing is made of fine quality ABS, which has fine heat resistance and cold resistance, high strength and fine toughness. High sensitivity, wide measuring range, has a long service life. Both electromagnetic Radiations and nuclear Radiations can be detected. It can meet the needs of home life detection, substation detection, mobile signal detection, etc. It can also be applied to material , environmental test, radiology protection, radiopharmaceutical screening, etc. With mute, , particle sound selection button, test, mean value reset retest selection button, backlight can be turned on or off. Package Includes: 1 Piece Digital Electromagnetic Radiations Tester1 Piece Charging Cable Note: Please allow 1-3mm measuring deviation due to manual measurement.Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!