H.E.A.T. - High End Advanced Technology, color bullet camera has a built-in 4.3mm auto iris lens. It features advanced technology and a 470 line ultra high resolution with a 0.03 lux low light sensitivity. It also has low smear level, which prevents glare in dark conditions, pre-set auto exposure, and turbo AGC (automatic gain control). The dark gray housing is also weatherproof. FEATURES: Resolution: Ultra High 470 Line Minimum Illumination: 0.03 lux low light sensitivity Lens: Built-in 4.3mm auto iris lens Image Device: 1/3 inch color advanced image sensor Electronic Shutter: 1/60 - 1/100,000 seconds Video Ouput: 1.0 Vp-p 75 ohm Video S/N Ratio: Greater than 50 dB Operating Temperature: - 20 degreed - 122 degree F Power Supply: Regulated 12V DC power supply (UL and CSA listed) included Power Consumption: 130 mA Dimensions: 5.8"L x 2.3"W x 2.8"H Housing: Color Dark Gray CVC-820EX$255.44