VideoSecu Dome Security Camera 3.6mm Wide View Angle Lens 420TVL CCD CCTV for Home Surveillance DVR System with Power Supply and Free Warning Sticker DM35B M9Z 1/3 " Color DSP CCD image sensor Horizontal resolution: 420TV lines Signal system: NTSC. 3.6mm lens Minimum illumination: 1 lux at F1.2 Digital automatic backlight compensation. Auto white balance