A wired video doorbell that works exclusively with Apple HomeKit, featuring head-to-toe Logitech TrueView HD video, face recognition, color night vision, 2-way audio, and more. Driver Type: Apple HomeKit Connectivity protocols: Wi-Fi. Power source type: battery powered Replaces your existing wired doorbell and works with your existing indoor doorbell. Full pre-purchase home compatibility check on Logitz website before Installation requires dealing with electrical wiring, and may also require the use of power tools and electrical test equipment. Designed to support Apple HomeKit Secure Video so you get end-to-end encryption, facial recognition, packet detection, full notifications, and custom activity zones. Requires iCloud+ plan and home hub device. It features best-in-class Logitech TrueView video with 160° field of view, head-to-toe HD video, HDR, and color night vision up to 6 feet to capture every last detail. Present guests with a smarter welcome. Introducing Logitech Circle View Doorbell with Apple HomeKit technology, Face Recognition technology, head-to-toe HD video, and color night vision. Circle View Doorbell has a seamless glass face and slim silhouette that's inviting to guests and adds a touch of sophistication to your home. Circle View Doorbell features best-in-class Logitech TrueView video so you see clearly day or night. Developed exclusively for Apple HomeKit, experience seamless viewing and receive rich notifications across your Apple devices. The ultimate solution to security and privacy, Circle View Doorbell supports Apple HomeKit Secure Video for end-to-end encryption and in-home video analysis. Apple HomeKit Secure Video features require HomeHub device and supported iCloud subscription.