Product DescriptionKey Specifications/Special Features: Image sensor (H x V): 3.6 x 2.7mm, 1/4-inch Signal system: PAL/NTSC Effective pixels (H x V): PAL: 752 x 582 NTSC: 768 x 494 Horizontal resolution: More than 480TV lines Video output: 1.0Mp-p 75 Ohms (BNC) Minimum illumination: 1Lux/F=1.2 Aperture: Auto Iris Focus: Auto Iris Focus length: 4.1 to 73.8 Digital zoom: 18 x 12 Backlight compensation: ON/OFF switch White balance: Auto tracking white balance S/N ratio: More than 48dB (AGC off) Horizontal rotation range: Continuous 360-degree Horizontal speed: 0.5 to 300 degrees/sec Vertical rotation range: 0 to 90-degree Vertical speed: 0.5 to 150 degrees/sec Communication interface: RS485 Control: Vertical, horizontal, lens zoom and 80 preset points Horizontal line scan: ON/OFFTrademark: TDS Model: TS-8800B Standard: CE FCC RoHS Origin: China