1Waterproof Design: The solar charging panel's IP65 protection rating and minus 4F to 122F operating temperature range make it ideal for outdoor use even in extreme weather conditions. 2Compatible with Various Devices: The solar panel is suitable for use with various brands and models of security cameras and doorbells, making it a versatile option for home security. 3Flexible: The 360 degree adjustable bracket and charging cable allow flexible positioning of the solar panel to receive sunlight in the most suitable location for optimal performance. 4Easy to Install: Connecting the solar charging panel to the outdoor security camera is easy with the charging cable and for Android port, simple operation. 5Low Power Consumption: The 4W 5V solar charging panel is a low power consumption option for outdoor security cameras and doorbells, providing an eco friendly solution without the need for a battery backup.