Feature: 1. Practical and Convenient: Wireless doorbell camera is a doorbell is also a monitor, open the phone at any time to view the real time status of the front door 2. 1080p HD: Doorbell camera uses a 1080p HD camera to ensure a clear picture, bringing you more convenience in your daily life 3. 145° Wide Angle: Video doorbell has a 145° wide angle lens, which covers a larger visual range to ensure home security protection 4. Built in PIR: Wifi doorbell camera with built in body sensor (PIR), real time sensing of the door dynamic, alarm push when there is human or large object movement 5. Infrared Night Viewing: Wireless video doorbell with HD infrared night viewing, built in IR CUT dual filter automatic switching function, will automatically switch between day and night viewing mode according to the degree of light and darkness around Specification: Item Type: Wireless Doorbell Camera Material: ABS Applicable Scene: Indoor, Outdoor Applicable APP:For TUYA Smart Life Flash Space: 16MB Whether to Support Reverb Cancellation: Yes Sensor Type: 2 Million 1/2.9' GC2053 CMOS Sensor Effective Pixels: 2MP, 1080P Focusing Length: 3.6mm/0.1in Diagonal Angle of View: 145° Minimum Illumination: 0.01Lx (color mode); 0.001Lx (black and white mode); 0Lx (fill light on) Infrared Fill Light: Yes Infrared Night Viewing: Support Night Viewing Distance: 3meters/3.3yd Frame Speed: 1080P Maximum 25 Frames/Sec Voice Intercom: Two Way Pickup Function: Built in Microphone, Pickup Distance 3meters/3.3yd Speaker: 8 Ω 1 W Motion Detection: Support Wired Network: Not Supported wifi Standard: IEEE 802.11 b/g/n Video Encoding: H.265 Audio Encoding: G711A Video Playback: Cloud Storage, Memory Card Memory Card: Cloud Storage, Memory Card (MAX128G) (without) Operating Temperature: -10 to 50℃ Working Humidity: <95% Pitching View: Fixed Turning View: Fixed Power Supply: DC3.7V 2 x 2600Mah 18650 Lithium Battery Power Supply (self provided) Doorbell Size (excluding base): Approx. 140 x 46 x 28mm / 5.5 x 1.8 x 1.1in Installation Mode: Wall Mounted. Package List: 1 x Doorbell Outside Equipment1 x Doorbell Inside Equipment1 x Base1 x Sticker1 x USB Cable5 x Rubber Plug8 x Screws1 x Hex Wrench1 x User Manual Note: Shipped without battery