Ring Video 4 doorbell features a 1080P camera with motion detection and Pre-Roll Technology to record up to 4 seconds of color video before the motion event.
- Hardwired or battery-powered
- Includes one rechargeable battery pack
- iOS, Android, Mac and Windows 10 compatible
- Size: 5.1 in. x 2.4 in. x 1.1 in.
- 8-24V AC or built in rechargeable battery pack
- Temperature Range: -5F – 120F