Feature: 1. REAL TIME MONITORING: The radiation detector is powerful, multi functional page real time detection, LCD display, interface data at a glance. 2. HIGH SENSITIVITY: The radiation detector uses the high technology tube, which greatly improves the sensitivity of detecting radioactive radiation. 3. 3 MODES: You can set the alarm value of radiation detector, support sound, flash, vibration three modes, you can choose according to your use habits. 4. DETECTABLE SCENES: You can use radiation detectors to monitor areas with X rays, CT, tiles, marble, industrial radiation, food, metals. 5. ABS HOUSING: This radiation detector's ABS case is lightweight and wear resistant, compact in size, easy to carry and use. Specification: Item Type: Geiger Counter Material: ABS Power Supply: Built in lithium ion battery 1100mah (built in) Dose Current Rate: 0.00-1000μSv/h (10mSv/h) Energy Range: 48keV-1.5Mev≤±30% (for 137Cs-) Unit of Measurement: μSv / h, μGy / h, mR / h, cps, cpm arbitrary switching Detection Ray Type: γ ray, x ray, β ray Detector: Energy compensation tube (Geiger technology tube) Detectable Scenes: X ray, CT, tile, marble, industrial radiation, food, metal. Package List: 1 x Geiger Counter1 x USB Cable1 x Instruction