NATHAN Light Bender LED Band - Sulphur Spring

An incredibly lightweight and comfortable LED band, the LightBender wraps around your arm to provide 360-degree visibility. Better yet? It's completely sweatproof, weather-resistant, and powered with a replaceable watch battery for 42+ hours of illumination.
FEATURES
Comfortable armband and super-lightweight technology ensure no chafing or discomfort
Blinking or steady stream light settings
Weather-resistant so you can run longer in any conditions
LED: 2 LEDs - 8+ max Lumens
Battery: 2 x 3V Lithium 2032 - Replaceable Coin Style Battery Burn
Time: STEADY ON = 21+ hours, STROBE = 42+ hours
Size: OSFM