Charge the rechargeable batteries of your Ring cameras and video doorbell with the Wasserstein charging station. The charging dock can charge up to two batteries simultaneously. It allows you to change the batteries of your cameras/video doorbell via hot-swapping, thereby reducing downtime. Charge the rechargeable batteries with the charging station Easy to use Works with the rechargeable batteries of Ring Video Doorbell 1, 2 and 3 Made of high-grade materials which can last over long periods of time Includes a 3-month warranty Wasserstein Black Dual Battery Charging Station for Ring Video Doorbell (1-Pack)