Smart Wireless Doorbell WiFi HD Camera Video Phone Intercom Smart Security Intercom Product Description: [Two-way audio with real-time video] The video doorbell has a 166 wide-angle lens via the app, which is compatible with IOS and Android. With the 2-channel audio function, you can answer in real time and talk directly with the other party. This wifi video doorbell uses ultra-low power consumption and can work for more than 2 to 5 months in standby mode. 100% wireless use, no wiring is required during operation, eliminating the hassle of cables and wiring problems. Note: This doorbell supports 2.4GHz WiFi, not 5GHz WiFi. [Day and night intelligent passive infrared detection] Security cameras with passive infrared detectors will sound an alarm when they detect someone outside the door. (You can choose from low, medium and high sensitivity within 15 feet) It is also equipped with a night vision sensor to ensure that you can see clearly both day and night. [IP65 Waterproof Easy to Install] The video doorbell is made of high-quality materials and craftsmanship, has passed the IP65 test and can withstand rain and snow. The doorbell can be easily installed by matching the Aiwit app, and the mounting bracket can be fixed with screws. Package includes: 1 X Doorbell Camera 1 X Mounting Kit