K21 is a multi-purpose EDC flashlight with a simple and elegant appearance, a high-quality metallic-feeling combination of the exquisite black oxide layer and aluminum alloy. It is only 35 grams, compact enough to be used as a cap light with the stainless steel clip. Powered by one easy-to-find AA battery, K21 emits a max output of 160 lumens. 3 modes: high – medium – low are set up to be realized by one-handed rotatable head switch. To free hands for other things, the end of K21 is designed to be magnetic, with easy adsorption on ironwork. Not only is K21 a useful light for your daily use and outdoor activity, but also a necessary portable edc tool.