BUTO portable lamp is perfect to hand carry when needed light outside. Please take care of the lamp and do not place it in rainy weather. The lamp has a LED light. 100 Lumen and 2700 Kelvin. Life time: 25,000 hours. The lamp comes with a USB cabel for charging and has a on/off switch under the lamp. The glass dome is placed into the dome and can be taken out. Is also available in another color.