TF-1TP-1R-AA Single Unit, TurboFlare AA, Red 20 Ultra-bright LED's in each TurboFlare AA. 360 degree rotation provides visibility to oncoming traffic from all directions. 190 rotations per minute. Impact resistant polycarbonite housing withstands vehicle roll-overs. Weather resistant, shock resistant, and vibration resistant. Ideal for 1st responders. Powered by (4) AA batteries, (batteries not included) 60-80 hour battery life.