[Compatible Design] Specifically designed for video doorbell 4, 3, plus, ensuring a match and reliable functionality for your smart home setup. [High Efficiency] Features a 10w monocrystalline silicon solar panel providing continuous solar energy for your outdoor camera during the day. [All Weather ] Made from premium etfe and monocrystalline silicon, this solar charger is built to withstand various weather conditions, ensuring long-lasting performance. [Solar Energy Powered] Harness the power of solar energy to charge your devices, promoting environmental sustainability and providing a cost-effective power solution for your doorbell. [Portable Design] Easy to carry and install, making it ideal for outdoor settings and ensuring reliable power wherever you need it., Manufacturer: Jelquix