Feature 1REAL TIME MONITORING: The radiation detector is powerful, multi functional page real time detection, LCD display, interface data at a glance. 2HIGH SENSITIVITY: The radiation detector uses the high technology tube, which greatly improves the sensitivity of detecting radioactive radiation. 33 MODES: You can set the alarm value of radiation detector, support sound, flash, vibration three modes, you can choose according to your use habits. 4DETECTABLE SCENES: You can use radiation detectors to monitor areas with X rays, CT, tiles, marble, industrial radiation, food, metals. 5ABS HOUSING: This radiation detector's ABS case is lightweight and wear resistant, compact in size, easy to carry and use.Item Type: Geiger CounterMaterial: ABSPower Supply: Built in lithium ion battery 1100mah (built in)Dose Current Rate: 0.00-10000Sv/h (10mSv/h)Energy Range: 48keV-1.5Mev30% (for 137Cs-)Unit of Measurement: Sv / h, Gy / h, mR / h, cps, cpm arbitrary switchingDetection Ray Type: ray, x ray, rayDetector: Energy compensation GM tube (Geiger technology tube)Detectable Scenes: X ray, CT, tile, marble, industrial radiation, food, metal . Package List1 x Geiger Counter1 x USB Cable1 x Instruction