Feature: 1. High Definition Display: The video door phone intercom kit includes a 7in digital color LCD screen for truly high definition 16:9 widescreen displays. This design, with no radiation and low power consumption, offers an immersive visual experience. 2. 2 Way Communication: The doorbell's camera and monitoring support 2 way communication between indoor monitors and outdoor doorbell cameras. When a visitor rings the doorbell, you can see, hear, and converse with anyone at your doorstep. 3. Waterproof Design with Night Vision: The video doorbell intercom kit touts a super slim and waterproof design. It features infrared night vision that can catch clear images up to a distance of 1‑3 meters even in dark or adverse weather conditions. 4. 16 Selective Melodies and Remote Unlocking: The intercom kit boasts a choice of 16 unique ringtones. The capacity to connect an electric lock (not included) allows for remote control unlocking from the indoor unit. 5. Customizable Viewing Experience: Users can freely sync adjust the intercom system's image brightness, chroma, and volume as per their preference. This feature guarantees a personalized user experience along with optimized visual and sound communication. Specification: Item Type: Video Doorbell Intercom KitMaterial: ABSIndoor Monitoring: Screen: 7in Digital Screen Resolution: 800x480 Installation Method: Wall mounted Call Delay: 120S+10S Monitoring Delay: 60S+10S Power Consumption: Standby 0.5W, Working 8W Connection Method: Four wire, Five core wire with Extension Outdoor Doorbell: Power Supply: Provided by Indoor Unit Lens: 3.6mm 92° Resolution: 700 TVLInstallation Method: Wall mounted Infrared LED: 4-5 pcs Infrared Induction: Light Sensor Power Consumption: Standby 0.5W, Working 12W Connection Method: Four wire. Package List: 2 x Indoor Display 1 x Outdoor Doorbell 2 x Adapters 16 x Wall Anchors 16 x Silver Screws 2 x Black Screws 2 x 5P Row Cable 2 x 4P Row Cable 1 x 2P Row Cable 1 x 5P Long Row Cable (White) 1 x 4P Long Row Cable (White) 1 x User Manual