Solar Powered: The solar strobe warning lights are completely powered by solar. It will automatically charge during the day and automatically turn on at night, it can work every night after charging fully. (Note: After receiving the Solar Warning Light, Please place solar-powered strobe light under the sunlight and charge 4h or more before you use it). Flicker frequency: 60times/min, the visual range is over 500-1000m under the darkness. Auto night sensor, detecting light brightness and ON/OFF automatically. IP65 Waterproof: The solar strobe lights are made of PC and ABS housing, IP65 rating which can withstand all kinds of terrible weather, such as foggy, downpours rainstorms, blizzards, or daily heat, protect the inside from erosion. Solar Traffic Light: Solar-powered outdoor strobe light, completely charge from solar energy, no electricity required, energy-saving, environmentally friendly. Save your money and no energy will be wasted, and easy installation. Wide Applicable Usage: Solar warning light suitable for home, yard, outdoor traffic barrier, night driving, construction enclosure, garden architecture, urban lighting, factory fence, road guardrail, truck roadblock emergency, etc. Avoid accidents. Warranty: Return and exchange items at any time in 1 Year.