Key Specifications/Special Features: Specifications: Image sensor: 1/4-inch Sharp Pixels: PAL (H x V): 512 x 582 NTSC (H x V): 512 x 492 Scanning system: PAL/NTSC Horizontal resolution: 420TVL Synchronization: internal Minimum illumination: 0.5 Lux/F1.2 Backlight compensation: on/off switch able Electronic shutter: 1/50 (1/60) to 1/100,000 seconds White balance: automatic Lens: 3.6mm S/N ratio: ≥48dB Gamma correction: 0.45 Audio output: yes Video output: 1Vp-p, 75Ω Operating temperature: -20 to +50 degree Celsius Power supply: 12V DC (500 to 1,000mA) Dimensions: 36 x 36mm Weight: 45g