Gardi Lantern LED Dancing Flame LightsFlickering flame design looks like a real flame. Warm yellow light creates a welcoming and romantic ambience. Solar powered, no wires required, just put it under the sunshine for 4 6 hours and it will light up to 8 10 hours after fully charged. Built in light sensor automatically turns on at dusk and off at dawn. It is eco friendly and help you save money. Note: working time and charging time will be influenced by weather condition, season. IP55