you can use head torch with the knit hat

which can easily illuminate an entire room or a long distance in the dark

wall outlet or other devices

1*AAA battery holder

emergencies

Blukar Rechargeable Headlamp, 10 Modes, Spotlight/Floodlight, Sensor Control, IPX5 Waterproof Suction] you can use head torchUSB Quickly Rechargeable & Power IndicatorBuilt in 1200mAh upgraded rechargeable battery. Use the included charging cable to charge the headlamp without remove and replace the battery. With a power indicator light to remind you of the power status. Fully charged can support long time outdoor activities, providing you with long lasting lighting and a pleasant charging experience. Compared with battery headlamps, it is more convenient and low carbon