Highly durable, reliable and efficient, these LED lights are ideal for outdoor use and charge up during the day and automatically light up during the night. Waterproof and easy to install, these lights make perfect decorations for a tree branch, fence or on the walls of your home! Available in a 200-bulb pack, 500-bulb pack, and in 1000-bulb pack, as well as with cool white lights, and warm white lights.