Features: The indoor monitor and outdoor camera have PMMA panel with touch button, blue backlight for beautiful and luxurious style. HD 700 TV lines camera with 3.6MM lens features 92° viewing angle and IR night vision function. The waterproof outdoor camera possesses door unlocking, supporting optional power-on unlocking and power-off unlocking. 7-inch TFT LCD indoor monitor which has no radiation, low power consumption can provide high definition widescreen images. The indoor monitor is equipped with hands-free intercom function, monitoring function and remote unlock function. The image brightness, chroma, and volume of the indoor monitor can be adjusted. 16 kinds of music ringtones are ready for you, eliminating your annoyance of always hearing monotonous doorbells. Functions: Outdoor call intercom: press the outdoor dingdong button to talk to the indoor person. Indoor call intercom: press the monitor button to see the outdoor unit, then press the intercom button to talk to the outdoor person. Monitoring: once press the monitor button, the indoor unit can see the situation of the outside unit. Unlocking: the indoor unit has the function of unlocking. Hands-free: hands-free intercom function. Specification: Condition: Brand New Material: ABS+PMMA Optional Plug Type: AU 110-240V, UK 110-240V, EU 110-240V, US 110-240V Power Source: AC110-240V --50Hz DC15V 2A Whole Kit Current: <800mA Indoor Monitor: Screen: 7" TFT LCD screen Call Delay Time: 120S±10% Monitoring Delay Time: 60S±10% Music Ringtones: 12 ringtones Indoor Monitor Size: Approx.225*128*23mm/8.9*5*0.9in Installation Method: Wall-mounted Wiring: 4-core cable Outdoor Camera: Camera Sensor: PC3003 700 TV lines Lens: 3.6mm, 92° Waterproof: Support Outdoor Camera Size: Approx.155*100*55mm/6.1*3.9*2.2in Installation Method: Wall-mounted or embedded Wiring: 4-core cable Package List: 2 * Indoor Monitor 1 * Outdoor Camera 2 * AC Power Source 2 * 5m 4-core Connection Cable 1 * User Manual Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.