The money is for a special CCD module, the effect according to the demand of supply: 1. 2. Black and white, full-color orders need to specify in the transaction: full color or black and white, do not specify the default color for the regular shipping! 2040E + 633 chip image sensor: 1/3 "SONY Super HAD CCD Effective Pixels: PAL: 500 (H) × 582 (V) NTSC: 510 (H) × 492 (V) Sensing Area: 4.8mm × 3.6mm Signal System : PAL / NTSC Horizontal Resolution: 520 TV lines Minimum illumination: 0.1Lux Gain Control: On / Off selectable Backlight Compensation: On / Off selectable Electronic Shutter: On / Off selectable Shutter Speed: 1/50 (1/60 ) - 1 / 100,000 (s) White Balance: Auto Tracking White Balance SNR: greater than 48db (AGC OFF) Video Output: 1.0Vp-p, 75Ω (BNC) Power supply: DC12V / 100mA power consumption: less than 2.8W Jack: VIDEO OUT (BNC) Dimensions (mm): 28 * 28