Clip-It-On Reflector Safety Light that features internal red flashing LED. Clip easily attaches to backpack or belt. Power on/off switch activates flashing mode. Battery life subject to individual use. 1 7/8 x 5/8. Batteries included.En-lighten customers about your brand with this terrific marketing tool. Our Clip-It-On Reflector Safety Light features an internal red flashing LED. The power on/off switch activates flashing mode. Customize this 1 7/8 x 5/8 item. The clip easily attaches to a backpack or belt; showcasing your logo on the go! This handy giveaway makes an excellent addition to tradeshows and fundraisers. Choose a bright color and order yours today.