3D Slimfit construction. Pro feature: Constant mode - set a steady level of brightness that will not dim. Pro feature: Run Forever - extend runtime with Pass Thru+ charging. Pass Thru+ - charge while using. Features 8 lighting modes with dimmable options. White Spot lens and Red Flood lens. 4-Position tilt front lens angles light. On/Off and Lock button. Moisture-wicking smart fabric. Easy-adjust clips. Rear red light. Water resistant. Battery lasts up to 150 hours on low and 7 hours on high. Includes Micro USB cable and 3ft Run Forever cord.