【Compatible Device】For Ring Video Doorbell (2nd Gen) –2020 release– 1080p HD video, improved motion detection
【Instructions 】Please install the battery correctly. Please use the original charger to charge it.
【Warranty】30 days money back, 12 months of warranty! Support: Welcome to email us if you have any issues, questions or concerns, we will response to solve the problem within 24 hours.