The PWR RedCap is an attachment to add rear visibility when using Knog s PWR Rider / Commuter modular bike lights. Also included is a mount to securely attach lights or even a GoPro camera to your helmet. Adds rear visibility to PWR Rider / Commuter lightsEasily and securely attaches to your helmetMount also works for GoPro equipmentThe PWR RedCap gives you a 12 lumen narrow rear light beam for day & night visibility. For added customisation the light can be programmed through Knog s Modemaker app. The helmet mount also works with GoPro equipment.