Wireless Easy Installation - No wires and cables are required, just download the APP, then connect it to your doorbell, you can have access to 720P HD live video at any time from your cell phone. Can be placed up to 100 feet from the Video doorbell. Two-Way Audio with Noise Cancelling - Allows you to talk to your visitors wherever you are. And you can watch real-time videos on cell phone. Smart PIR motion detection and Loop Recording - Whenever any motion is detected, camera sends alert to your mobile phone, the sensitive time is adjustable. It also automatically covers the expired video files, easy to manage the monitoring records. IR Night Vision - Day or night, rain or shine, it allows you to take photography and record videos at any time. Video Doorbell protect your home in real-time, no matter where you are. Doorbell comes with motion detection, real-time alerts, 166° view angle, 720 HD video, two-way talk, remote wake-up, doorbell let you don't miss any visitors and secure your home day and night. Meanwhile, you also could capture the photos or video clips at anytime and store in your phone or TF card instead of cloud storage. There's no limit to access to the doorbell with smart phone, so you could set whole family members to monitor your home. Easy to set up, pair with your mobile by connecting Wi-Fi, compatible with IOS and Android.