The compact Alcor light delivers 15 lumens of output from a compact and lightweight chassis making it a perfect way of increasing visibility for the everyday commuter.Features:Ultra brightness red LED,Day flash,Light mode memory,Magnetic mounting RB-29-R,250mAh Li-Po Built-in,Max. Lumens: 15LM,Max. Runtime: 70 hrs,Recharge time 2 hrs,Size (W x D x H): 31 x54 x 18mm ,Weight: 0.017Kg; Packing & Package: 0.1Kg.Mode   Lumen   RuntimeMODE 1  3      8:00MODE 2  6      4:00FL 1        3      70:00FL 2        8      40:00DAY FL  15     30:00