NiteRider: The Adventure 320 features advanced components that deliver optimal performance with multiple output settings including an SOS safety flash. Inside the lightweight body, a lithium polymer battery conveniently charges via USB, reducing waste of disposable alkaline batteries. The Adventure 320 is a well-rounded performer that shines right where you need it so that you can focus on your night adventure. New for 2017 is the Tail Light Clip that fits all NiteRider Tail Lights and provides greater safety for walking or running at night. Meets FL 1 Standard IP67, protected against the effects of immersion in water to depth between 15 cm and 1 meter.• New Tail Light Clip – fits all NiteRider Tail Lights and provides greater safety for walking or running at night.• 4 Light Levels plus 1 Night Vision Mode• 4 Safety Flash Modes, including SOS• FL1 Standard IP67, water immersion ok between 15 cm and 1 meter• Adjustable headstrap tabs for quick and easy fitment• Adjustable light angle• Fits Pivot Stick-on accessory mount (Sku# NR8727 sold separately)• Lightweight, weighing in at just 87 grams• Convenient USB rechargeable• Low battery indicatorWARRANTYThe Adventure 320 is backed by NiteRider’s lifetime warranty that covers any defects in material and workmanship, mechanical components(housings, covers, mounts and fasteners) and LEDs.SYSTEM INCLUDESLED HeadlampInternal Li-Po BatteryComfortfit™ Headstrap with Rear Tail Light ClipUSB Charging Cable