Feature: 1. Smart Interconnectivity: Wireless video doorbell supports for TUYA APP, you can remotely communicate with visitors from anywhere you are. 2. High Definition Night Vision: Equipped with powerful night vision capabilities, the high definition camera ensures clear visibility of your doorstep even in the dark. 3. Photo and Video Catch: Easily record photos and videos of all visitors, allowing you to stay informed about who has come to your doorstep at all times. 4. Easy Installation: Simple operation and quick installation make it possible for you to install the doorbell camera without the need for professional skills. 5. 2 Way Audio: Built in speaker, microphone, the doorbell allows you to talk to visitors no matter where you are. And you can watch real time video on your phone. Specification: Item Type: Video Door Bell Material: Plastic Master: for Broadcom BK7252 Image Sensor: GC0328 Video Resolution: 640x480 Viewing Angle: 85° Night Vision Type: Infrared night vision Power Information: DC5V/2A Audio Information: Built in speaker, microphone WIFI Mode: 2.4GHz 802.11b/g Operating Temperature: -10℃-60℃ APP: for Tuya APP APP Adjustable Sensitivity: Divided into high, medium and low, PIR sensitivity is high, the detection distance is the farthest, the sensitivity is medium, the detection distance is moderate, the sensitivity is low, the detection distance is close. Battery: lithium batteries x 2 (not included). Package List: 1 x Doorbell1 x Base1 x Receiver1 x Wrench2 x Expansion Screw3 x Screws1 x Instruction Manual