1、7 Inch HD Screen: The system features a large 7 inch high definition display, providing clear and detailed visuals of visitors at your door, whether it's day or night. This ensures enhanced security and peace of mind for your home. 2、Professional Security Lens: Equipped with a high definition CMOS image sensor, the doorbell utilizes automatic exposure and white balance control for optimal image quality. With a high sensitivity 120° wide angle view, you can view everything happening outside your door. 3、Stable Signal and User Friendly: Utilizing advanced wireless transmission technology, the system ensures a stable and smooth signal. The intuitive interface is designed for ease of use, making it accessible even for elderly users. 4、Built In Power Adapter: The doorbell unit is designed for embedded installation, eliminating the need for separate power sources. This feature not only saves space but also enhances aesthetics by removing bulky external adapters. 5、5 Access Cards: The doorbell system comes with five access cards. This feature provides added convenience, allowing multiple family members to easily manage access to your home without hassle. Item Type: Video Doorbell System Material: ABS Camera (Outdoor): Camera: 1/4 HD CMOS Resolution: 800x600 Pixels Display Screen (Indoor): Resolution: 800x480 Wiring: 4 Wire 1 x Display Screen 1 x Outdoor Camera 2 x 4P Connecting Cable 2 x 2P Connecting Cable 1 x Testing Cable 8 x Expansion Screw 9 x Metal Screw 1 x Plug 1 x Instruction Manual 5 x Access Card