The LED strip and battery are compatible and interchangeable with both the headband and the belt.

• 1 ONE80 Halo headlamp
• 1 Trek Belt 

• Includes new 2 brightness setting batteries
• 20 LED's
• 360 Lumens
• Interchangeable components
• Water Resistant
• Washable Headband
• Washable Trek Belt
• USB Rechargeable Battery
• Up to 3 hours of illumination on high, 7+ hours on low