Lithium Micro Headlamp BF-260 is a National brand. Lightweight and compact headlamp. Achieves approximately 50g! Strong in winter mountains (-20℃) Uses lithium batteries, Lithium battery CR2 ●This item has been stored at home for a long time. ●The batteries are weak. ●There are minor scuffs, but please forgive any oversights. ●This is a discontinued product by the manufacturer.