Nathan HyperBrite Strobe 
Features & Benefits
Small, but mighty! Nathan’s minimal and powerful LED strobe clips anywhere so you can be seen everywhere. Varying LED modes with 16 max Lumens of output provide a high degree of visibility and safety in a low-profile footprint.
LED: 4 LEDs – 16 maxlumens
Battery: 2x 3V Lithium 2032- replaceable coin style battery
Burn time: Steady on = 4+ hours, Strobe = 6+ hours, Alternating = 12+ hours, Chain = 30+ hours
Water resistance: IPX4 – weather resistant