Just flick the switch to "ON", it will automatically charging during the day, and flash automatically at night.
It has 4 premium quality LED Bulbs which covers both sides, light visual distance of 500m in dark.
Wireless setting up and operation: Just place the light where you need it(May requires a bracket, which is not included). keep the solar panel face to sunlight.
Waterproof Security Warning Driveway Lights for Outdoor Fence Patio Yard Home Pathway Stairs Garden.
They have been specifically designed for road safety and can help to prevent serious accidents. Solar powered, can also be used for the dock, deck, path, driveway, garden, walkway, sidewalk, yard or courtyard.