7inch Wired Video Visual Intercom Doorbell with Door Access Control System Features: 7 inches color TFT LCD display with 800*480 high definition resolution provides bright, clear and natural images. Support hand-free intercom function. Support electronic control unlocking function. Support outdoor surveillance function. Anti-oxidation and wear-resistant outdoor unit, with a rain-cover, wall installation more convenient. The indoor monitor can support to connect multiple outdoor unit. Support non-disturbance function of rest time. Ultra-thin design of indoor monitor, high-grade aluminium alloy panel, convenient and beautiful. Specification: Display: 7inch Resolution: 800 * RGB * 480     Screen Brightness: 250cd/m2 View Angle: 70° Power Adapter: DC15V 1000mA Call Delay: 120S±10% Monitoring Delay: 40S±10% Working Temperature: -20℃ ~ +60℃ Relative Humidity: 10%~90%(RH) Installation Mode:  wall-mounted or desktop Material: Aluminium Alloy Panel + ABS Color: Shown as Picture Package Weight: Approx. 1056g/37.2oz Package list: 1 * Indoor Monitor                                 1 * Outdoor Doorbell                            1 * Power Adapter                      1 * Power Cable                3 * Extension Cable 1 * Mounting Pack                     1 * Hanger