Product Description4.3 Wired Video Door Phone System Visual Intercom oorbell with 1 Monitor + 1*700TVL Outdoor Camera for Home Surveillance1. The TFT 4.3 inch digital color LCD for monitor.2. Clear night-viewing , 24 hours monitoring, calling, speaking and unlocking3. TFT color screen with low power consumption, no radiation and high definition.4. Hands-free intercommunication.5. Brightness, chroma and volume adjustable.6. Fully waterpoof, support outdoor working.7. 25-chord melody rings for option.8. Cabling: 4-core connection cable9. Supports communication between two monitors.10. Do not disturb mode11. Additional monitor available up to 6(optional) and 3 outdoor cameras at mostIndoor MonitorIndoor monitorFunction: Intercom, Monitor ,Unlock the doorMusic: 25 music to adjustPower supply: Input AC100-240V Output: DC 15V 1200mAScreen size: 4.3 inch colour TFT-LCD Resolution: 480*272 Case:ABS Plastic Dimensions: 195x185x30mm Installation:Surface mountingWeight:0.65kgOutside CameraCamera: 700CMOS Super backlight compensation Night vision distance: WLED 3m Case: Zinc alloyViewing angle: 85 to 92 degrees Dimensions: 50x125x27(mm)Net Weight: 0.35kgPackage List:1* Indoor Monitor1* Outside Unit1* 5m cable1* Screws1* Power Supply1* Manual1* Wall Plate1* 2 pin wire1* 4 pin wire1* 5 pin wire