1. Lens pixel: 1080P
2. Viewing angle: 160 degree wide angle
3. Screen size: 4.5 inch LCD screen
4. Battery capacity: 2500mAh
5. Support door thickness: 35-105mm
6. Support door aperture: 15-40mm
7. The outside can be monitored through the indoor unit, anti-theft, anti-prying, anti-peep peeping
8. Long standby time, minimalist design, easy to operate