General description Each transparent solar bulb features 10 string lights powered by high-efficiency polycrystalline silicon solar panels, offering a photoelectric conversion rate that is 25% higher than traditional single crystal bulbs. These solar-powered LED bulbs are designed for high lighting efficiency and a long service life. Technical specifications Voltage: 1.2V Charging time: 6-8 hours in direct sunlight Lighting duration: Up to 8 hours when fully charged Installation Wireless installation, no need for conventional power supply Clamp can be fixed anywhere, suitable for various locations Usage Each solar bulb has an on/off switch located under the cover Simply slide the switch to "ON" for normal operation Place bulbs outdoors in direct sunlight for optimal charging Other information Ideal for indoor and outdoor decoration, creating a warm and festive atmosphere for holidays, weddings, parties, gardens, yards, or patios