VideoSecu 4-Pack Dome Security Cameras — Built-in 1/3\" Sony Effio CCD, 600 TVL, 3.6mm Wide Angle Lens + 4CH Power b1n

Important notice: These are legacy analog dome cameras — they are not wireless or WiFi-enabled and are not compatible with HD camera systems. They do not operate as standalone units; a traditional analog DVR, proper cabling and a monitor (all sold separately) are required. They are intended for use with older DVR setups (approximately 10 years old). If you are new to security camera systems, this product is not recommended. Imaging and optics: Built-in 1/3\" Sony Effio CCD sensor with color DSP delivers a Horizontal Resolution of 600 TV Lines. The cameras use a 3.6 mm wide angle lens and output in NTSC format. Low-light performance is rated at 0.002 Lux. White balance and electronic shutter are automatic, and Dynamic Noise Reduction is included. Design and installation: Each dome features a 3 Axis Dome Design and can be mounted on a wall or ceiling. Connection is via BNC video and a 2.1 mm center positive power plug. Power and package: Includes a 12V DC 500mA power supply. Package contents: 4x Dome Camera, 1x 4CH Power Supply, and Free Warning Stickers.