• [Compatibility] Compatible with Ring Video Doorbell 4, 3, 3 Plus, and 2 smart doorbells
• [High Conversion Efficiency] Offers efficient solar energy conversion for reliable charging
• [Stable & Durable] Built for stability and durability to withstand outdoor conditions
• [Flexible Installation Options] Designed for versatile and easy installation to suit various setups
• [Easy Maintenance & Use] Simple to maintain and user-friendly for hassle-free operation

Specifications:

• Material: A-grade monocrystalline silicon solar panel
• Power: 3W
• Working current: 0-650MA
• Short circuit current 700MA
• Working voltage: 5V (charge 3V-5V battery)
• Short circuit voltage: 6.2V
• Efficiency: 20.5%
• Product size: 170*115*10mm
• Interface: U-shaped interface
• Line length: about 3m