Specifications: Base Type: Other Holder: Other Type: Ball Bulbs Output Power: 1.5W Luminous Flux: 130LM Total Emitters: 12 CCT/Wavelength: 5500-6500K Voltage(V): DC 5V Lifespan: 5000hrs Function: Commercial Lighting,Home Lighting,Horticultural Illumination,Outdoor Lighting? Available Light Color: Natural White Sheathing Material: Plastic Package weight: 180g Product size (L x W x H): 12.00 x 6.80 x 6.80 cm / 4.72 x 2.68 x 2.68 inches Package size (L x W x H): 13.00 x 7.00 x 7.00 cm / 5.12 x 2.76 x 2.76 inches Instructions: Maximum brightness of bulb: 130LM (Equivalent to a 15W incandescent lamp) Capacity of lithium battery: 850ma/3.7V; continuously effective lighting of fully charged bulb: 5h; Bulb Using Time: 2-3 hours Battery can be fully charged by the photovoltaic panel under a sufficiently sunlight condition Built-in Rechargeable Battery: Power Source: Solar Panel, Home Electricity Charging Capacity of lithium battery: 850ma/3.7V Continuously effective lighting of fully charged bulb:?5h Bulb Using Time:2-3 hours