R9 4.3 inch WiFi Smart Video Visual Electronic Peephole Doorbell (Black)

1. Resolution: 480 x 272
2. Viewing angle: 120 degrees
3. Infrared light: 850nm
4. Wireless: IEEE 802.11 b/g/n
5. Sound quality: two-way talk, noise reduction
6. Memory card type: Micro SD card
7. Battery: 5000mAh lithium battery
8. Monitoring mode: doorbell button, motion detection, remote wake-up
9. Energy consumption: standby 500uA, working 400uA
10. APP: UBOX