Hi. The Essential Video Doorbell Wire-Free comes with a long lasting rechargeable battery. It provides up to 6 months of battery life* to provide you a flexible and convenient front entry solution for peace of mind.
*Applies only to battery powered installation. Based on usage of 4000 seconds motion streaming per month, 30 seconds per two-way call daily, and day/night event splits 2:1. Will vary with device settings, use, activity captured and environmental factors.