Features: Equipped with indoor outdoor call intercom function, monitoring function, unlocking function, hands-free intercom function. The ultra-thin touch button indoor monitor leads the new trend of color video doorbell and presents luxurious style. 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. The waterproof outdoor camera has 3.6mm lens, 92° viewing angle and supports IR night vision function. 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 1.2A Whole Kit Current: 800mA Indoor Monitor: Screen: 7" TFT LCD screen Call Delay Time: 120S±10% Monitoring Delay Time: 60S±10% Music Ringtones: 16 ringtones Indoor Monitor Size: Approx.180*120*18mm/7.1*4.7*0.7in Outdoor Camera: Camera Sensor: 700 TV lines Lens: 3.6mm, 92° IR Night Vision: Support Outdoor Camera Size: Approx.160*100*45mm/6.3*3.9*1.8in Package List: 1 * Outdoor Camera 2 * Indoor Monitor 2 * 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. 1、Equipped with indoor outdoor call intercom function, monitoring function, unlocking function, hands-free intercom function. 2、The ultra-thin touch button indoor monitor leads the new trend of color video doorbell and presents luxurious style. 3、The image brightness, chroma, and volume of the indoor monitor can be adjusted. 4、16 kinds of music ringtones are ready for you, eliminating your annoyance of always hearing monotonous doorbells. 5、The waterproof outdoor camera has 3.6mm lens, 92° viewing angle and supports IR night vision function.