The Mako 200 is a reliable LED bike light run on two AA batteries which are included in this pack. The set also includes a handlebar mount for the Mako 200. The mount quickly allows you to take the bike light on and off which is fantastic if you are a commuter who constantly is having to take your bike lights on and off your bike for safe keeping. To help further the bike light is super light and only weighs 175g. Comes with three modes that can be selected dependent on your environment or battery life.