QIBOX Solar Charger Compatible with Video Doorbell (2nd Generation - 2020 Release), Video Doorbell 4/3/3 Plus/Battery Doorbell Plus, 2.9W Waterproof Continuously Solar Panel, Adjustable Panel Mount

Wide Compatibility---Doorbell solar charger is suitable for most video doorbell including Video Doorbell 3 / Video Doorbell 3 Plus / Video Doorbell 4 / Video Doorbell (2020 Release) / Battery Doorbell Plus. (Doorbell Not Included).
Adjustable Solar Charger---120°Adjustable mounting bracket allow you to adjust the position of the solar panel to any angle and maximize the sunlight exposure.
High Conversion Efficiency Charger--- 3 solar panels to ensure multi-directional and maximum absorption of sunlight providing a sustainable solar energy for the doorbel. The effective conversion rate of this solar charger is 4.3 times higher than average solar charger due to built-in high-efficiency monocrystalline cells.
IP53 Waterproof Panel---Made of IP53 polycrystalline silicon, equipped with professional dust covers, this doorbell solar panel is dust-proof and waterproof. It can be operated on conditions is -4°F to 131°F(-20°C-55°C). Suitable for any environment to use. No worry about rainy or snowy day.
Attention---Please note that this solar panel need to be exposed to the direct sunlight each day for more than 4 hours. The charging efficiency depends on the intensity of the sunlight and the rate of power consumption of the doorbell.