QttyElok Wired 7'' TFT Color Video Door Phone Intercom Doorbell System for Home 700TVL IR Night Vision Outdoor Video Camera with Indoor Monitors, Support Unlock Monitoring

【Durable Outdoor Camera】 Camera with 90° wide angle, Built-in infrared light, will give you clear night vision, can see outside no matter day or night. Equipped with a waterproof cover, rainproof and dustproof.
【7 inch Color Indoor Monitor】Has 52 kinds of ringtone optional, both of the ringtones and volume can be adjustable. Also, you can set do not disturb mode.
【Handsfree Dual-way Intercom and Ring Back Function】Two-way communication between the monitor and the camera. When visitors rings the doorbell, you can see, hear and talk to visitors.
【Monitoring and Unlocking】Can work with most of electric locks. Can unlock the door through indoor monitor. It is convenient and widely used in apartments, villas, hotels and offices.
【Easy Installation】Using 4-wire cable to connect outdoor doorbell and indoor monitor. Can extend the distance from monitor to doorbell with RVV4 (4-core wire) / Cat5 / Cat6 cable, the maximum distance is 100 metres.