1pcs outdoor camera and 1pcs indoor color screen video intercom doorbell system. You can both see and speak to visitors. 700TVL IR night vision camera, you can see clearly who rings the bell even at night. Waterproofing and oxidation-proof for the durable alloy outdoor unit. 4.3 inch wired audio/video doorbell answering kit,collocation telephone set panel,monitoring and unlock, dual-way intercom Mute door intercom. Door dell kits has 12 different kinds of door bells chimes,Volume, brightness and contrast adjustable,monitor,intercom,Electric-lock control. Easy surface mounted.Wired connection stability clear vision for home security.Fashion and nice design.Can be used in apartments, villas, hotels, offices, public buildings. ※ Have large stock ※ Lifetime Customer Support ※ Surface mount ※ Analog system ※ Resolution: 800X480 ※ Using a 4-cores cable to connect the camera and monitor. ※ Material: ABS, Aluminum Alloy ※ Built-in microphone/speaker