Features: 1. The radiation detector adopts professional Geiger counter and energy-compensated GM counter tube as the core sensor, which can accurately -ray-ray and X-rays. Fast detection speed, strong anti-interference ability, high sensitivity, wide measurement range and long service life. 2. Multi-function page for real-time monitoring: instantaneous dose rate, cumulative dose, average dose rate, easy observation in different light environments. 3. Intelligent alarm function, radiation detector can be arbitrarily set the cumulative alarm value and dose rate alarm value. Support sound, flash, vibration three alarm modes. 4.TFT high-definition display, easy to observe in different light environments, easy to read; built-in lithium battery power supply, power saving and durable. 5. Suitable for home, hospital, laboratory, nuclear power plant, processing enterprises, metallurgy and other scenes. Specification: Material:ABS Measuring range: 0.05uSv/h~10mSv/h Working environment: -20~50C; Humidity<95%RH Power supply: USB charging Battery capacity: 400mAh Color: black, white Product size: 16*27*105mm Package size: 33*75*142mm Weight: 120g Package includes: 1*Detector 1*USB cable 1*Manual