High Quality NEW!!! Light source type: LED Number of light sources: 25 Power Source: Solar Powered Wattage: 20W TOTAL (1 bulb = 1W) C7/E12 candelabra socket base Length of string: 24ft Bulb lifetime: 50,000 hrs Li-ion battery: 2200mAH Solar & USB Charging Options - Lights can work up to 16 hours after 8 hours of charging by sunlight. A 180 degree adjustable panel allows you to get the optimum sun exposure. The USB charge (5V 1A) can be complementary when there is no sufficient sunlight during the day. Takes 4 hrs to charge with USB. Shatterproof & Waterproof - Made of durable plastic, shatterproof & IP44 waterproof. Can withstand temperatures, rainy, windy, or damp climates. 4 Lighting Modes - Quick flash, steady light, slow flash & pulsating light. Have a light sensor & automatically turns off at dawn & automatically turns on at dark. Energy Saving LED - Each LED bulbs uses only 1W, help you save more electricity while giving out cozy illumination in your place. These bulbs are cool to touch after hours of use. Indoor & Outdoor Application: Need no outlet. Perfect decoration for the bedroom, living room, & outside space like rooftops, deck, tent, porch, pergola, market, umbrella, balcony, etc.