Solar Lights Outdoor: Each solar outdoor light is equipped with 8 bright LEDs and a built-in 600mAh rechargeable Ni-MH battery, 8-10 hours of charging in direct sunlight can provide 8-12 hours of operation. Brighter than other 4 LED solar lights. Solar Powered & Auto ON/OFF: Solar powered, no extra cost for electricity or battery replacement. The light sensor controls the solar string lights to automatically turn on in the dark and automatically turn off during the day. Waterproof: The garden light is made of premium stainless steel and a variety of rust prevention and technology, IP65 high-strength waterproof design, it can effectively isolate water and mist. Perfect for your garden, yard, sidewalk, path, deck, campsite, etc. Easy to Install: The solar ground lights take 5-10 seconds to install. No annoying wires or adapters needed, just turn on the switch and insert the plastic stakes into the ground.