Product description UniFi Protect G4 Doorbell is a Wi-Fi video doorbell with a built-in display and real-time two-way audio communication. The camera features a high-quality 5MP sensor with enhanced night vision. Image streams can be viewed in up to 1600x1200 (2MP) HD at 30 FPS. UniFi Protect G4 Doorbell includes a PIR sensor for instant motion detection alerts. Integration with UniFi Protect provides an easy-to-use interface. Features: 1600x1200 (2MP) HD stream with night vision Integrated entrance lighting Real-time two-way audio with echo cancellation Built-in display Dual-band 802.11ac Wi-Fi PIR motion detection sensor Weather-resistant UniFi Protect integration Note: UniFI Protect is required to run this product with full functionality, we recommend using it with UniFi Dream Machine PRO or UniFi Protect Network Video Recorder