There are four lighting modes (High / Low / Daytime HyperConstant / Flashing) and a mode memory function

5" 37/44/46mm

Medical grade silicone

Rotational liner: No rotational liner

DHaRCO Men's Long Sleeve Tech Tee - M - Tie Dye eBay There are four lighting modesGiving you the comfy feeling of cotton with the technical features of DriRelease fabric, the DHaRCO Men's Long Sleeve Tech Tee is perfect for both riding and casual wear in cooler conditions. The great thing about DriRelease is that the tech that keeps you cool, dry, and fresh is built into the fibres themselves rather than just applied to the surface. This means that the effectiveness of the material won't reduce over time as the treatment won't wash