Dabster Cycling | Bike USB Rechargeable Flashing Tail Light Head LED Light | LED Spot Light (Red, Pack of 1)

As a bicycle safety warning light, 20 lumens output is enough, it is bright, compact, easy to carry, Leave your screwdrivers in the toolbox, and detaches in under 2 seconds with NO tools required. Can be mounted almost anywhere. - Inner protector to protect the handlebar measures 6cm x 2cm. Compatible with tactical flashlights 24 to 27mm in diameter. - Save the Hassle to Replace Batteries Every Week