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