Key Specifications/Special Features: Medium speed dome camera Specification : Controlling: RS485/remote controller Pickup device: SONY 1/3-inch CCD Horizontal resolution: 420TVL Electricity: about 320mA Lens: built-in 6mm lens, optional for vari-focus lens Scanning system: interiale 2:1 Video output: 1.0Vp-p/75ohms S/N ratio: ≥48dB Minimum illumination: 0.8Lux/F1.2 BLC: Auto Features: built-in PAN/TILT, decoder, signal-receiver Power: DC 12V Working temperature: -10degree to 50degree (14F to 122F) Dimension: 160mm x 135mm