Feature:1. PROFESSIONAL SECURITY CAMERA: It features a high definition CMOS image sensor for exceptional image clarity and automatic exposure and white balance control.2. BUILT IN POWER ADAPTER: Say goodbye to bulky external adapters with this innovative design. The built in power adapter saves space and enhances the aesthetic appeal.3. ONE CLICK UNLOCKING: With the one click unlocking feature, you can effortlessly control electric locks, electromagnetic locks, and electric plug locks.4. VERSATILE APPLICATIONS: This video intercom system is not only suitable for home use but also ideal for offices, hotels, apartments, and factory settings.5. SAFE: The system allows for quick and safe communicating with visitors through a simple button press. This ensures that you can interact with guests or delivery personnel conveniently while preventing robbers and thieves.Specification:Item Type: Video Intercom SystemMaterial: ABSCamera (Outdoor):Camera Sensor: 1/4 Inch HD CMOSLight Source: 6 Infrared LightsResolution: 800 x 600Display (Indoor):Resolution: 800 x 480Wiring Method: 4 Wires.Package List:2 x Indoor Screen1 x Outdoor Camera2 x Iron Plate5 x Connecting Cable12 x Expansion Screw13 x Metal Screw1 x Instruction Manual2 x Plug1 x Testing Wire