Features: Easy to install and use. Support WiFi connection, for Android and for IOS APP remote control. HD 1080P image quality, support night vision, camera view angle covers 166°. Ultra-low power consumption, with long standby time, remote active wake up, quick start. Support picture snapping and video recording function. Support real time visual intercom with visitor, IR night view, TF card record. Support up to 32G TF card storage(not included). Support mobile , adding multiple users or sharing with family. Specifications: Material: ABS. Color: Brown + Black. Visual Angle: 1.7mm F2.4/166°. Picture Resolution: 1080P. Battery: 2 x 18650 Lithium Battery (not included). Built-in WIFI: support 802.11 B/G/N. Environment: -10~50℃. Working Humidity: <95%. Alarming Reaction Time: 3-55 seconds. TF Card Storage: Up to 32G TF card storage(not included). PIR: Support. IR: Support. Night-vision: Support. Photosensitive: Support. Record Method: Manual, doorbell trigger, motion detect. Mobile Phone App: support. Chime Volume: up to 110db. Item size: 142 x 76 x 28mm. Item weight: 280g. Package Included: 1 x Wifi Door Bell (Please note that receiver is not included.). 1 x Installation Accessories. 1 x User Manual