TV Color System : NTSC or PAL Usually we will post the Item with suitable TV system according to your payment address. ( NTSC For United States and Canada , PAL for United Kingdom , If you have special request , please leave the message with your payment , we will follow your instruction to post your order Validity Pixel: PAL - 628x582, NTSC - 510x492 Horizontal Definition: 380 Lines ( High Quality CMOS ) Minimum Illumination: 3 Lux Focus: Manual adjustable from 30 mm to Infinity Horizontal Viewing Angle: 50 Degree Effective Range (line of sight): 300 ft to 1000 ft Voltage: 12V DC Weight: 20gram Size: 87(d) x 65(h)mm Power: 200mW