1080P Full HD and Infrared Night Vision: The resolution is impressive and when visitors get closer to your door, you will see clear details and won't miss any invisible corners! The built-in infrared light automatically detects ambient light and switches to night vision mode so that you can see it clearly even in the dark. Rechargeable Battery Two-Way Audio: The wireless video doorbell is equipped with a super large rechargeable battery for long standby time and you don't need to charge frequently. The built-in microphone and speakers provide you with clear, real-time two-way audio that you can see, hear and talk to visitors immediately, or choose a pre-recorded voice message for a quick response. Connection Stable WIFI and Easy Installation: The Wifi video doorbell supports 2.4G WiFi and covers a WiFi range of up to 20 meters, so you can place the doorbell 10 meters away from the wireless video doorbell with extremely stable WiFi connection. The wireless doorbell uses a power source of 3 AA batteries (not included). You can quickly install the waterproof wireless doorbell in 5 minutes. Easy installation waterproof design: You can complete the installation in less than 3 minutes without using complex tools. The video doorbell is designed with high quality and IP65 weatherproof material housing for durability and weather resistance such as rain and snow. Smart Multifunctional: This camera is of the smallest size. Video intercom, photo recording, cloud storage (free for 3 days), group sharing, compatible with iOS and Android, making your home safer and life more convenient. Night vision function, keep your home safe even at night.