CCD type: Sony 1/3-inch interline ccd CCIR: 512 x 582 pixels Horizontal resolution: 480TVL Minimum illumination: 1 lux/F1.2 S/N ratio: more than 52dB Video output: 1.0Vp-p/75 ohms Electronic shutter: 1/50 (1/60) to 1/100,000 seconds Gamma correction: 0.45 Synchronization system: internal Lens: 3.6, 4, 6, 8, 12 and 2.8mm (optional) Power supply: 12V DC Operation temperature: -20 to 50 degree Celsius Pan tilt operation control via rs 485 Protocol pelco d