Flashing Lights LED Reflective Sports Armband, High Visibility for Running, Jogging, Walking, Cycling; Protective Gear for Children, Adults and Pets; 3M Scotchlite Tape; 2 Pack SUPERIOR HIGH VISIBILITY: 4 bright red flashing LED bulbs visible at long distance provide an extra level of safety during twilight or nighttime activities. OUTPERFORMS SIMPLE GLOW SLAP BANDS: Made with hi vis yellow 3M Scotchlite reflective tape for improved observation of runners, cyclists, school children or pets, with the added protection of blinking or full-on LED lights. MULTIPLE USE SAFTEY APPLICATIONS: Not restricted as an armband or ankle band for use on backpacks, strollers, scooters, bike frames, vehicles, tents or other areas you want easily seen at night or to grab attention. COMFORTABLE & VERSATILE FIT: Lightweight polyester band with durable Velcro attachment is flexible to fit all-purpose uses requiring variable child and adult sizes and seasonal clothing factors EASY ACCESS POWER BUTTON: Well built clickable ON-OFF button provides easy to reach access to choose LED options. Instructions included to change single CR2032 flat battery secured inside band.