Hongtu Tuya Smart Video Doorbell PIR DC AC Battery Powered 1080P 2MP Pixel Waterproof Doorbell Support Alexa Google WiFi Wireless Door Bell. 1080P HD Video Quality: Features a 2MP CMOS sensor with 1920x1080 resolution for clear video. Smart Home Integration: Compatible with Tuya Smart Life, Alexa, and Google Assistant apps. PIR Motion Detection: Equipped with PIR sensor for accurate motion alerts and low power consumption. Flexible Power Supply: Powered by dual 2600mAh batteries, DC/AC 12-24V, or USB 5V. Wide Viewing Angle: Provides a 170-degree wide-angle view to cover large areas. Two-Way Audio: Built-in microphone and speaker for real-time two-way communication. Night Vision Capability: Features 4*5mm 850nm IR LEDs for clear visibility in the dark. Waterproof Design: IP55 waterproof rating ensures durability in various weather conditions.