Tevo Magneto Home Solar Lighting System- Dual Solar-Powered or AC Rechargeable Solution, Up To 18 Hours Of Light On A Single Charge, Includes 3 X LED Extension Bulbs With Independent Switches, Built-In Discharge And Overcharge Circuits For Battery Protection, Emergency USB Port Charges Most Mobile Phones , Wall-Hanging Mounts For Inside Cupboards, Under Stairs , Retail Box 1 Year Warranty