KKmoon 7" Video Doorbell Video Door Phone TFT LCD Touch Screen Unlock IR Night Vision Rainproof Camera Monitor two-way Intercom unlock, real-time surveillance Home Security system Functions of intercom, unlock, visual talk, real-time monitering. Volume, brightness and contrast adjustable.16 kinds of music rings optional. Widely used in villas, apartments, houses, hotels, offices, public buildings and so on. 7" color TFT LCD touch screen, high definition and sensitive.5 IR LEDs for good night vision effect. Quality PMMA and ABS material, durable in performance.Water-proof and oxidation-proof outdoor camera.