12 hours* for light. 2 LED Bulbs for 2 rooms (120 Lumens brightness) 1 Tube light for 1 big room (220 Lumens brightness) 1 USB port and adapters to charge mobile phones. 1 Nos 9-Watt Solar Panel Brightness: 20x brighter than kerosene Light up your home or business in an instant. The convenient, mountable light switches turn on bright solar-powered LEDs while the solar charging battery pack also charges mobile devices.The d.light D100 is perfect for: Light-up a room Studying Charging Mobile Devices