Extend the battery life of your Video Doorbell (2nd Gen) with the help of a solar power source Install in a location where it can receive at least 3-4 hours of direct sunlight per day for best performance This product only works with Ring Video Doorbell (2nd Gen). It is not compatible with other Video Doorbell models. One-year limited warranty Dimensions: 14.8 cm x 9.3 cm x 1.3 cm Connectivity: micro-USB Operating Temperature: -20°C to 50°C, weather resistant
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