1、Accurate Detection: This radiation detector uses a professional Geiger counter to accurately detect α, β, γ and x rays. 2、Fast Detection Speed: This detector has fast detection speed, strong anti interference ability, high sensitivity and wide measurement range. 3、Wide Application: This radiation dosimeter is applicable to the living environment: food, water, imported goods, cosmetics, stone, decorative materials, etc. 4、Easy To Carry: This portable radiation dosimeter is compact, light weight, which makes it easy to carry around and very convenient. 5、Clear Display: This detector's main interface shows green values when the real time data is below the alarm value, and shows red values when it exceeds the alarm value. Item Type: Nuclear Radiation Detector Material: ABS Battery Type: Lithium Battery (Shipped With Built In Battery) Battery Capacity: 400mah Battery Model: 702030 Weight: Approx. 112g/3.95oz 1 x Nuclear Radiation Detector 1 x USB Data Cable 1 x English Manual