Description: 【High Quality Material】: Nuclear Tester is made of high quality ABS material, which is durable and can be used for a long time. 【Features】: Small high sensitivity dose alarm device, using a 48mm energy compensation counter tube as the detecting, mainly used for X, β, and gamma . It has the characteristics of high sensitivity, high precision, and accurate measurement. 【Easy to use】: It adopts a powerful microprocessor, is equipped with a CLEAR display screen, real time display, is easy to use, is user friendly, has strong anti interference ability, small and portable, stylish appearance. 【Multi function】: Sound, flash, vibration, any combination of alarm methods, and the alarm value can be set arbitrarily. When the alarm threshold is reached, an alarm will be issued to remind the staff to pay attention to safety. 【Wide application】: Widely used in home decoration, processing enterprises, petroleum, chemical industry, exploration, , prevention, and other occasions. Specification: Measuring range: 0.05uSv/h~ 10mSv/h Working environment: temperature -20~50C; humidity Battery capacity: 400mah Battery life: 15~24H, charging time: 1H Charging method: USB type c Size Chart: 1.6cmx3.5cmx10.5cm/0.63inchx1.38inchx4.13inch Package Includes: 1 Nuclear Tester 1 Charging Cable Note: Please allow slightly errors due to manual measurement and different monitors.