... life,convenient for walking and guarding in the night,enginneering,camping and climbing,rescue and ... and insert(3*"AAA1.5V)batteries into the battery compartment and follow its polarity marks ... showed. 2.Replace the end cap by following the arrow as showed in drawing.(see ... can make the pictures as your request,such as logo of your company Anhui Linmin Illumination Tech. Co., Ltd.