Characteristic:1. EASY TO READ: The radioactive detector can be displayed digitally and equipped with a backlight for easy reading.2. High Quality Material: The Geiger counter is made of high quality ABS material, sturdy and durable to ensure long-term use.3. PORTABLE DESIGN: Compact Geiger counter allows you to put it in your pocket and carry it with you, simple, clear, user-friendly user interface.4. MULTIFUNCTIONAL: The nuclear radiation detector has data viewing, saving and output functions. Meet the needs of various working scenarios.5. MULTIPLE DISPLAYThe screen displays temperature and humidity conditions at the same time, providing more information at the same time.Specification:Article type: Geiger counterMaterial: ABS, LEDWeight: approx. 169g/6.0ozEnergy range: 20kev-3.0Mev30% (137Cs-)Sensitivity: 80cpm / usv / (Co-60)Test accuracy: 0.01sv / h Time range: 0-99.99sv/hTime error: Average error: Food: 2 AA batteries (supplied without batteries)/>Type of detection: and X-rays detectableScope of application: detection of nuclear radiationPackage list:x Geiger Counter (Battery not included) 1 x Manual