Parts List: 1????Nuclear Radiation Detector 1????Type-C Data Cable 1????English and Japanese Instruction Product Specification: Product Name: Nuclear Radiation Detector Detection count: 48mm Geiger counter Measuring range: 0.05uSv-50mSv Measurement accuracy: -17%-+25% based on 137C???? Working environment: -20-50????; Humidity ????95%RH No condensation Battery capacity: 350mah Battery life: 15-24 hours Charging time: 1 hour Charging mode: USB-type-c Product size: 16????27????150MM Body material: Aluminum alloy Screen size: 0.96inch TFT color screen Specification: English/Japanese Interaction Description Software interaction logic: 1. The startup screen is hello, and the shutdown screen is good-bye. 2. Sound the alarm tone beep, the warning time is 1 second (every from low to high, the alarm value is triggered once). 3. Vibration reminder, reminding time is 0.5 seconds (every from low to high, more than the alarm value triggered once,). 4. The LED light of the host blinks green if it is lower than the alarm value, once every 1 second; if it is higher than the alarm value, it blinks red once every 0.5 second. 5. When the real-time data of the main interface is lower than the alarm value, the green value will be displayed; when the real-time data exceeds the alarm value, the red value will be displayed. Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement.