Features: Professional Radiation Dose Alarm Instrument: adopts GM counter tube, it is mainly used to monitor X, Y, and ¦Â rays with highly sensitivity and accurate measurement. OLED display screen: display the instantaneous dose, average dose and cumulative dose rate clearly, visual in night. Easy to Use: one button startup and test automatically, and with audible and visual alarm if the test result is over the limit. Rechargeable & Reusable Battery: Built in lithium battery power supply, power saving and durable. Super Mini Size: with 0.7oz lightweight and the size as small as a lipstick, the nuclear radiation detector is very convenient to carry. Specifications: Material: ABS Sensor: 48mm Geiger counter tube Measure Range: 0.05uSv-50mSv Measure Precision: -17%…+25% based on 137Csy Charging Time: 2-3 hours Alarm Responding Time:
