1. Adopt GM counter tube, mainly used for monitoring X, Y and β rays, high sensitivity and accurate measurement.
2. OLED display screen: clear display of instantaneous dose, average dose and accumulated dose rate, visible at night.
3. Easy to use: one key start, automatic test, if the test result exceeds the standard, there is an acoustic and optical alarm.
4. Built-in lithium battery power supply, power saving and durable.
5. 0.7 ounces of weight and small size like lipstick, very convenient to carry.

Parameters:
1. Material: ABS material
2. Sensor: 48mm Geiger counter tube
3. Measurement range: 0.05uSv-50mSv
4. Measurement accuracy: -17% ~+25% based on 137Csy
5. Charging time: 2-3 hours
6. Alarm response time: less than 10s
7. Battery: 3.7V, 300mAh lithium battery
8. Working environment: temperature -20 ~ 50 degrees Celsius, humidity less than 95% RH no condensation
9. Product size: 108 x 18 x 15.3mm
10. Item weight: 19g

Packing list:
1 x Geiger counter
1 x Type-C cable
1 x Manual (English)