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 (indoors). Timer Set: Using the remote controller, you can choose from four timer settings: 30 minutes, 2 hours, 4 hours, and 8 hours. The bulb automatically turn off after the chosen time period. Before use, please charge the solar bulb. The control distance by remote is 6-8 m. 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 affect how long it works). 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. Bulb material to use that the bulb material using thickened ABS new material lampshade thickened PC new material, Manufacturer: Jkjlorey