Features: SOLAR POWERED: this solar-powered LED Bulb relies on solar energy, which is clean, endless and environment-friendly. INDOOR OUTDOOR USE: independent bulb and solar panel, the solar panel can be fixed in the roof or a place with sufficient sunlight with 3 meters cable(long enough) forcharging and the bulb can be carried to anywhere you want after charging, so it is suitable for home emergency use and outdoor use such as hiking, camping, fishing, beach tentetc. 2 CONTROL MODES: the bulb can be controlled by the switch button and remote controller and you can also choose auto on / off by pressing the button to DC or choose manual control by pressing the button to AC. Moreover, you can control the bulb with remote controller under the AC or DC state, simple operate and convenient to use. 3 LIGHTING MODES BRIGHTNESS: it has 3 lighting modes for your option: full brightness(22 LED light), 8 LED light, 14 LED light, so you can choose the brightness as your need,smart to use. APPLICATION SCENE: it's suitable indoor or outdoor use such as home emergency, fishing, hiking, camping, beach tent, etc.