4MP 2K+ QHD Video with Head-to-Toe View – Capture crystal-clear 4MP (2K+) footage with a 180° panoramic field of view and full head-to-toe coverage. See visitors, packages, and surroundings clearly with no blind spots. 100% Wire-Free with Long Battery Life – Powered by a 5000mAh rechargeable battery, this doorbell offers completely wire-free installation. Optional hardwired power support provides added flexibility for permanent setups. AI Detection: Human, Loitering & Packages – Advanced PIR and AI technology detects people, loitering activity, and delivered packages, sending instant alerts to your phone for smarter, more accurate home security. Two-Way Talk with Voice Protection – Communicate with visitors in real time using two-way audio, with variable voice options to protect privacy. Custom quick replies allow convenient responses even when you’re busy. Chime with Wi-Fi Extender & Local Storage – The included indoor chime boosts Wi-Fi coverage and supports microSD storage up to 512GB, ensuring stable connection and secure video recording at home.