7-inch Wired Video Doorbell Villa Home Building Set Two-way Intercom System Waterproof Night Vision Infrared Features: 1. 7-inch TFT LCD, , low power consumption, high-definition widescreen images. It has monitoring, intercom, unlocking, ringtone selection, indoor intercom, volume, brightness, and adjustment functions. 2. Hands-free intercom function. 3. Electronically controlled unlocking function. 4. With outdoor monitoring function. 5. Image brightness, chromaticity, ringtone volume, intercom volume can be adjusted. Product Description: 1. Switching power supply: AC220V--50Hz DC15V 1.2A 2. Machine current: less than 800mA 3. Call delay time: 120S10% 4. Monitoring delay time: 60S10% 5. Camera sensor: 700 lines 6. Lens: 3.6MM92 degrees 7. Outdoor unit with infrared night vision function 8. Outdoor installation method: wall-mounted three. Product List: 1x color LCD display indoor extension 1x outdoor host 1x connection cable 1x switching power supply 1x instruction manual 1x screw pack