This item is a protable solar charger which is made of quality ABS material. It provides you the safety and security of lighting and charging when you need it most. It is suitable for use in the outdoor camping, night market, yard, emergency situations, etc. Material: ABS. Item specification- Power source: solar. - Light source: LED bulbs. - Voltage: 6V. - Wattage: 1W. - Protection level: IP65. - Solar panel: 3W 9V. - Battery: 4V 4.5AH. - USB output: 5V 500mah. - Designed dust-proof, rain-proof and shock-resistant. - Support 4 different sockets, Full compatable with almost all USB devices. - Can charge the power bank in two ways: by wall charger or USB cable. - With LED indicators you will always know if your battery is 25%, 50%, 75% or 100% full. - Suitable for use in the outdoor camping, night market, yard, emergency situations, etcNote1. Please make the battery fully charged for first time. 2. Battery capacity indicator: - The first three indicators: electricity consumption is 50 to 100% - The first two indicators: electricity consumption is 20 to 50% - The first one indicator: capacity is less than 20% 3. Battery Maintenance - Use a 6v 4.5Ah lead acid batteries for charging system, in order to make the battery last longer - Do not expose the battery to place non-rechargeable. - Even if not use, at least charge once every three months.