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 13 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 ScreenResolution: 800x480Installation Method: Wall mountedCall Delay: 120Sand10SMonitoring Delay: 60Sand10SPower Consumption: Standby 0.5W, Working 8WConnection Method: Four wire, Five core wire with ExtensionOutdoor Doorbell:Power Supply: Provided by Indoor UnitLens: 3.6mm 92Resolution: 700 TVLInstallation Method: Wall mountedInfrared LED: 4-5 pcsInfrared Induction: Light SensorPower Consumption: Standby 0.5W, Working 12WConnection Method: Four wire.Package List:2 x Indoor Display1 x Outdoor Doorbell2 x Adapters16 x Wall Anchors16 x Silver Screws2 x Black Screws2 x 5P Row Cable2 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