Product Description1. Place of origin: China 2. Weight: 2498g 3. Inner packing dimensions: 305*195*180 mm 4. Used for: Jail, factory, supermarket, community, street, dock, etc. 5. Model: WD83C1/ WD23C1/ WD21C1/WD22C1/WD24C1 6. Double CCD 7. Certificate: CE 8. Parameter: 1)1/3 Sony Color CCD & 1/3 Sony B/W CCD(optional) A. 1/3 Sony Color CCD Resolution: 480TV Line