Product name: Portable ionizing radiation detector Product size: 169*75*26mm Material: ABS ,Color: Black Display: LCD screen display Sensor type: geiger miller counterGM counter/GM Tube) Radiation dose rate range: 0.01Sv/h-1000Sv/h Cumulative dose: 0.01Sv-500.0mSv Energy response:50KeV~1.5MeV30to 137CS- Sensitivity: 80CPM/Sv/hto Co-60 Power supply: rechargeable lithium battery 2000mah DC 5V(1A-2A) port charging line( included) Operation temperature: -10C~45C Operation humidity: under 80% Feature: User can switch multiple radiation dose rate units such as Sv/h,Gy/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. Package Included: 1x Main Unit 1x manual 1x charging cable