The new Led Lenser’s M3R is the most amazing key chain light on today’s competitive market.  Weighing just 1.65 oz,  3.96 inch long the M3R puts out an amazing 220 lumens.  Equipped with led lensers Basic SLT Light function witch allows you to run this small light on High, low and strobe.  Best of all, the led lenser m3R is rechargeable!