1. Home Security Manager: When the doorbell button is pressed or someone passes by, the doorbell automatically wakes up and pushes the video to the smartphone; 2. PIR motion detection: The built-in human body sensor (PIR) can sense the movement of the front real time, and the app can play back the historical records at any time; 3. IP54 waterproof: Not afraid of rain, prolong service life; 4. Two-way audio: Built-in microphone to chat with your visitors anytime, anywhere; 5. Real-time monitoring of each application: Even when you are out, you can actively wake up and monitor anytime, anywhere; 6. Infrared night vision: Built-in high-definition night vision light, see clearly at night; 7. 1080p Full HD resolution: The built-in high-definition camera captures clearer pictures and even the smallest details; 8. Two storage methods: 2 storage methods to save files from cloud storage and SD card storage to protect file storage more effectively; Dual Band 9.2.4ghz & 5.8ghz Compatible with 2.4G & 5G WiFi network for smoother use; Lens: 130 degrees horizontally, 155 degrees diagonally Resolution: 1080P/15 frames Infrared light: 6pcs 850 night vision light infrared wifi: 2.4G/5G are supported Battery Specifications: 18650 pointed 2 pcs in series AC: Support DC 12-24V SD card: support 32-64G C10 high-speed card Cloud storage: support free use for PIR: motion detection and two-way voice intercom Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC 220V Colour:White Material:plastic Package Contents: 1 x Video Doorbell 1 x Ding 1 x Battery 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.