quality mountain bike light

Question

With a theoretical maximum output of 5000 lumens from the 5 ultra bright cree XM-L2 LEDs, Magicshine MJ-906 bike light combo produces a 20 degree wide angle beam designed specifically for off road, MTB and trail riding. The MJ-906 makes use of the 5 power modes, giving you the choice of 100%,output, 75%, 50% 20% and flash mode. While you might not need the full output mode for road or urban cycling but it's nice to have the power there for when you need it. The default battery for the MJ-906 is MJ-6102, 6 cell li-ion battery cells with over-charge, over-discharge and short circuit protection. All housed with water proof plastic built to hug your bike frame with non-slip padding and velcro straps. Runtime: 2.2 hours @ 100% 3.2 hours @ 75% 5.2 hours @ 50% 10.2 hours @ 20% 7 hours @ Flash Box Contents Headlight Tail light Wireless remote control Rubber ‘o’ rings Battery pack 7.4V 7.8Ah Charger Nylon straps Warranty card Y cable or Y adpater English user manualquality mountain bike light website:http://www.magicshineusa.com/bike-lights/mountain-bike-headlights/