eufy C31 2K Smart Video Doorbell with Chime, No Monthly Fees Crystal-Clear Welcome in 2K FHD: Experience 2K FHD clarity with 4:3 view for clear and detailed visuals of your visitors. Even at night, the crisp images ensure you never miss a detail. Enjoy enhanced performance by upgrading your app to the latest version for a seamless user experience. Real-Time Chat, Seamless Experience: Stay connected with your visitors instantly. When someone rings the doorbell, a pop-up video call appears on your phone. If you're not home, you can set up quick responses and ask visitors to leave voice messages, ensuring you stay informed. Powered How You Like with Dual Power Options: The quick-release rechargeable 6500mAh battery allows for easy setup and mobility; When wiring, ensure the battery is inserted into the doorbell for proper function. Get 24/7 Protection with Hardwire Power: For uninterrupted security, hardwire the doorbell to your existing doorbell wiring. This ensures you never have to worry about power outages and enables continuous 24/7 recording and 5-second pre-roll for motion-activated events, providing constant protection. Hear Every Ring: The included eufy Chime 2 delivers loud, customisable audio notifications when someone rings your bell. Compatible with HomeBase 3, Works with Alexa & Google Assistant: Seamlessly integrate your doorbell with various devices. Charger included: N Depth: 148 MM Height: 31.2 MM Charger required: N USB PD: N Width: 52.5 MM