High Quality Material: Nuclear Tester is made of high quality material, which is durable and can be used for a long time. Features: Small high sensitivity dose alarm device, using 90mm Geiger Counter tube as the detecting, mainly used for X, Y, . 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, industry, exploration, , prevention, and other occasions. Specification: Measurement range: 0.08 SV/H ~ 9999USV/H Use environment: temperature -10C~+50C, relative humidity: 95 % Size Chart: 10cmx4cmx2.5cm/3.94inchx1.57inchx0.98inch Package Includes: 1 Nuclear Tester 1 Charging Cable Note: Please allow slightly errors due to manual measurement and different monitors.