1. Home Security Butler: The doorbell wakes up and pushes video to the smartphone automatically when the doorbell button pressed or someone pass by; 2. PIR Motion Detection: Built-in human body sensor (PIR), real-time perception of the frontdoor movement, APP can playback historical records at any time; 3. IP54 Waterproof: Not afraid of rain, prolong service life; 4. Two Way Audio: Built-in microphone to talk to your visitor anytime, anywhere; 5. Real-Time Monitoring by App: Even if you are away from home, you can actively wake up the monitoring anytime and anywhere; 6. Infrared Night Vision: Built-in high-definition night vision lights for view clearly at night; 7. 1080P Full HD Resolution: Build in HD Camera to shoot clearer pictures, even details of the fiber cents; 8. Two Storage Methods: With 2 storage way to save files Cloud Storage and SD Card storage(up to 128GB), more efficient to protect files storage; 9.2.4GHz&5.8GHz dual frequency: Compatible with 2.4G&5G wifi network, use more smoothly; 10. Low Power Consumption,: Long Battery Life, 2PCS 4800mAh 21700 battery, Standby for 3-4months(Calculated by waking up 10 times a day); Support APP: 1.Tuya app; 2.SmartLife APP; Note:Not Compatible with Google Assistant or Amazon Echo Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC 220V Voltage: AC110V Colour:As Shown Material:plastic+metal<br><br>Package Contents: 1 x Tuya Smart Video Doorbell Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.