Deflecto 72-1109-01 Warning Triangle (9 LED Bulbs, 5 5/8" x 5 1/8" x 1", Magnetic) Ideal for roadside emergencies Attaches magnetically or stands upright on a folding base Compact and highly visible 9 LED bulbs 2 functions: constant light and flash, runs on 3 "AAA" batteries (not included)