Feature: 1. Two-Way Talk: This WiFi doorbell can connect the home WiFi. You can ccommunicate with visitors through two-way audio with noise-reducing microphone. 2. Real-Time Transmission: When visitors press the doorbell, the sound is activated, and the camera will start sending real-time images and calling the mobile phone. The doorbell can realize real-time video and audio chatting with visitors. Outdated videos will be deleted automatically. 3. Remote Operation: The user will receive the call to check who the visitor is, and then talk to the visitor. 4. PIR Infrared Motion Detection: The doorbell can detect motion with intrusion alarm system and send you an alert. 5. Multi-Function: The doorbell supports APP function, which can be applied to Android, iphone, iPad APP. There are also photo capturing and video recording functions. 6. Infrared Night Version Design: The doorbell supports night vision and has built-in IR-CUT technology, which is available during the day and night. 7. Outdoor Use: The doorbell can be installed outdoors. You don’t have to worry about rainwater. 8. Easy to Use: There is no limit to using a smartphone to access the doorbell, so you can set up the entire family members to monitor your home. Specification: Item Type: Wireless Doorbell Material: ABS, electronic components Color: Black Size: 13.3×7.4×3.5cm Resolution: 1280×720 SNR: ≥39dB View Angle: F2.0 2.6mm / 140° WIFI: 802.11b / g / n Working Temperature: -10~50°C Working Humidity: <95% Storage: Max 32GB TF Card (Not Included) Standby Current: 120μA Working Current: 170MA Audio: Two-way talk with noise cancellation Video: Motion detecting video door bell button trigger video, video manually Alarm Push: push rapidly for 3 to 5 seconds Online Users: Multiple users to watch online at the same time Night Version Range: About 10m Package included: 1 x Wifi Doorbell 1 x Install Attachment 1 x User Manual