Solar-Powered Bulb that Fits Anywhere: With its dusk-to-dawn design, this solar light bulb automatically turns on at dusk and off at dawn. It is perfect for areas without electricity, such as sheds, chicken coops, or garages, and can illuminate an area of around 100 sq ft with just one bulb. 9 Lighting Modes: This dimmable bulb has nine levels of brightness, ranging from 40 lumens to 180 lumens per bulb. After being fully , it can work continuously for six to eight hours (the brightness and light intensity of the bulb will affect how long it works). Set: Using the remote controller, you can choose from four settings: 30 minutes, 2 hours, 4 hours, and 8 hours. The bulb will automatically turn off after the chosen time period. Before use, please charge the solar bulb. The control distance by remote is 6-8 m. Not Waterproof: While these solar light bulbs can be used in many places, they are not waterproof. They can be easily via the solar panel (outdoors) or an android charging cable