Nuclear radiation detector DM157

Product name: Ionizing Radiation Detector radiation of X, γ,hard β rays                                                                                     
Product size: 189*70*30mm
Material: ABS ,Color: White                                                                                

Display: LCD screen display                                                                                                                                                                                                           
Sensor type: geiger miller counter(GM Tube)
Radiation dose rate range: 0.01μSv/h-1000μSv/h(can be up to 10mSv/h)
Cumulative dose: 0.01μSv-500.0mSv
Energy response: 50KeV~1.5MeV≤±30％（to 137CS-）
Sensitivity: 80CPM/μSv/h（to Co-60）
Power supply: rechargeable lithium battery 2000mah 
DC 5V(1A-2A) port charging line( included)
Operation temperature: -10°C~45°C
Operation humidity: under 80%
What are included ：Main Unit+ manual+ charging cable
Advantage
-User can switch multiple radiation dose rate units such as μSv/h,μGy/h, mR/h, cps, cpm
-With sound alarm when dose rate and cumulative dose are over threshold.
-User can adjust the threshold of dose rate and cumulative dose.
-With date and time display, user can adjust the date and time. 
-User can adjust the screen brightness.