Product Description1. Place of origin: China 2. Certificate: CE 3. Weight: 275g 4. Inner packing dimensions: 130*120*95mm 5. Used for: jail, factory, supermarket, school, etc. 6. Model: D22C2/D21C2/D24C2/D23C2/D83C2/D25B2/D83B2/D63B2 7. Parameter: 1)1/3, 1/4 Sony CCD or Sharp CCD(optional) 2)Resolution: 420-480TV Line(optional) 3)Mini IIIumination: 0.1Lux /F1.2 4)Lens: 6mm (Optional) 5)Scanning System: 2: 1 Interlace 6)S/N Ratio: More than 48dB 7)Day/Night Function: Provide various setting modes for any situation 8)Synchronization: Internal 9)White Balance: Auto 10)Backlight compensation: Auto