Features [1080P High Resolution] With 166° large viewing angle, the video picture you see on smartphone is very clear, presenting a more real scene, a wider angle gives you more security. [Wireless WiFi Camera with Phone APP “Tuya”] Compatible with 2.4G WiFi network, APP and camera can be connected through WiFi, so that you can record and review videos on your smartphone. [Infrared Night Vision & Motion Detection] Adopt 6pcs 850nm high-quality infrared lights, the video picture is clear even at night or dark environment, and the doorbell camera will automatically send a message to your smartphone if any motion is detected. [2-Way Audio] With built-in speaker and microphone, you can see and talk to your visitors at real time anytime and anywhere; with noise reduction, the sound quality is very good, convenient for your daily life. [Max. 32GB TF Card Storage & Loop Recording] Support long-time video recording, when someone press the doorbell, it will automatically start to record a short video, so that you will know who has been there. (TF card is not included.) Specifications Color: Black, white (optional) Material: ABS Processor: Hi3518E Sensor Performance: Auto white balance, gain control, automatic backlightcompensation, etc. Signal to Noise Ratio: ≥39dB Resolution: 1920 * 1080P IR LED: 6pcs 850nm high power infrared light, 5-10 meters for night vision WiFi: 802.11 b/g/n Network Protocol: TCP/IP, HTTP, TCP, UDP, SMTP, FTP, DHCP, DNS, DDNS, NTP,UPnP, RTSP, P2P Audio: 2-way speaking, with echo elimination Power Supply: 18650 battery (li-ion, 2600mAh) Standby Current: 120A Working Current: 170A Product Size: 14.15 * 4.55 * 3.2cm/ 5.5 * 1.7 * 1.2inch Product Weight: 90g/ 3.1oz Note The smartphone showed in the pictures are not included. Batteries are not included. Package List 1 * Doorbell 1 * Base 1 * Battery Compartment Cover 5 * Screw 4 * Extension Tube 1 * Wrench