Exposure Lights Joystick Mk18 Helmet Light Gun Metal BlackThe MK18 Joystick maintains its award winning lightweight and compact design Its refined 8 lens improves focus clarity and precision TAP technology allow quick mode switching by tapping the light or helmet with three sensitivity levels for versatile control and enhanced 6 customizable modes for adjusting output and runtime 136 hours Durable 6063 aluminum waterproof (IP67) and impact resistant (IK09) Mounting options allow use as lightweight bar lights