Product Details Benefits Include: RGB Light - red, green, and blue LED options Shorter strap for runners with smaller arms Clips quickly, and securely attaches to arm or ankle Multi-settings for blinking or steady state lights LED: 2 LEDs - 6 Lumens Max Output Battery: 2 x 3V Lithium 2032 - Replaceable Coin Style Battery Burn Time: 30 hours (Steady On), 48 Hours (Strobe) Specifications: Style: NS5061-0401-00 Benefits Include: RGB Light - red, green, and blue LED options Shorter strap for runners with smaller arms Clips quickly, and securely attaches to arm or ankle Multi-settings for blinking or steady state lights LED: 2 LEDs - 6 Lumens Max Output Battery: 2 x 3V Lithium 2032 - Replaceable Coin Style Battery Burn Time: 30 hours (Steady On), 48 Hours (Strobe) Specifications: Materials: SKIP Style: NS5061-0401-00.