Screen display makes it easier to read data, and the buttons are easy to operate. The housing is made of fine ABS, which has fine heat resistance and cold resistance, high strength and fine toughness. It can the needs of detection, substation detection, mobile signal tower detection, etc., and it is easy and convenient to carry around. With mute and alarm mode, test and pause mode, and the backlight can be turned on or off. Model: BR-9A Material:Plastic colour: As shown Package Contents: 1 x 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.