Product DescriptionKey Specifications/Special Features: Signal system: PAL/NTSC LED: 24/36 pieces with Φ5 LED IR series distance: 25/30m Synchronization system: internal synchronization Minimum illumination: 0.00 Lux S/N ratio: more than 48dB Gamma characteristic: 0.45 Video output: 1.0Vp-p and 75 ohms Scanning system: PAL: 625 lines 50 fields/second; NTSC: 525 lines 60 fields/second Electronic shutter time: auto PAL: 1/50 to 100,000 second NTSC: 1/60 to 1/100,000 second White balance: auto Power supply: 12V DC TS-861A: 1/4-inch Sharp 420TV lines TS-862A: 1/3-inch Sharp 420TV lines TS-881A: 1/4-inch Sony 420TV lines TS-882A: 1/3-inch Sony 420TV lines TS-883A: 1/3-inch Sony 480 TV lines TS-888A: 1/3-inch Sony Super HAD CCD 535TV linesTrademark: TDS Model: TS-861A Standard: CE FCC RoHS Origin: China