About this item Waterproof: The diameter of the solar panel is 8 cm. With IP44 waterproof design, even in rainy days, the replacement of the old solar light can work normally. Replace: just take out the old battery box, insert the new battery into the hole of the iron lamp, turn on the switch and enjoy the beautiful lighting effect. Working time: The solar lamp replacement fixture absorbs the sun's energy during the day and automatically turns on at dusk . After 8 hours of full charge, it can shine for 10 hours. It provides 10 hours of light in summer, 5 hours in winter. Easy to use: There is a switch at the bottom of this DIY light cover, you can toggle the switch while charging and it will instantly convert a solar garden light. Decorative and wide application: the solar lights replacement top has 1 bright warm white LED with 7 lumens light, it can make your patio more beautiful. The solar light replacement top is perfect for all types of solar lights.