Foxfire personal safety tail light. Use the power of 5 super bright LEDs to increase your visibility and your safety. 5 Super bright LEDs. 6 Light patterns (steady on and 5 flash modes). Belt clip for personal use. Visible up to 1/2 mile. Requires 2 "AAA" batteries, not included. The SPL-56-R, as with all FoxFire bicycle tail lights, includes a quick release tab to easily remove the light from the bicycle mounting bracket. This makes it easy to change batteries or use it as a personal safety light. Road use, weather resistant, off-road use, adjustable angle.