Dual brightness LED bulb with telescoping light focus adjustmentAluminum and steel constructionIPX4 water-resistantBarebones specific Li-ion battery 18650 | 2200mAH 3.7V 8.14WhLED: 3 watt LED bulbLight spectrum: 4000KLumens: Low: 13 High: 300Input: USB-C charging cord: 5V, 2A USBRun Time: Low: 24 Hrs / High: 2.5 Hrs