Solar Power Saving: 150mAh solar panel with built-in 800mAh large capacity Ni-MH battery, powered by solar power and converted to electricity, automatically turn on in the dark or at night. Super Bright: Each solar light has 12 warm white LEDs, will give you brighter light in the dark. It can work for 8-12 hours with 6-8 hours of full charge during the day. PC Housing Engineering: Our solar disk lights are made of super reliable and scratch-resistant polycarbonate, it can withstand 200kg weight, you don't have to worry about cars and children around. IP68 waterproof rating: IP68 waterproof rating, the switch is covered with moisture-proof silicone, can float on the water to illuminate the swimming pool or pond. Easy to Install: Just install the four stakes and drop them on the ground or glass, or you can float them in the water. Place the lights in a location where they can be exposed to maximum sunlight during the day.