Serfas Light Combo Combo Light Usm-350/Utm-30

Headlight: All-In-One Design with Extruded Aluminum Body featuring a Press and Hold Button Lock and Daytime Flash Mode
Up To 90 Hours Runtime, Integrated USB Rechargeable Li-Ion Battery, and Backlit Button Indicates Charge Status and Low Battery
Handlebar Bracket

Tail Light: 270 Degree High Visibility Design with Highly Adjustable Mounting System
Daytime Flash Mode as part of 5 Modes: 2 Solid / 3 Flash
Micro USB Rechargeable