Cateye el135 and orb front and rear light setthis lightweight front and rear light set from cateye is the ideal way to stay visible for cycling after dark'. '.strtoupper('p')erfect for commuters, it features 320 hours of battery life and attaches to your bike with ease thanks to its adjustable mounting straps'. '.strtoupper('m')ountingboth lights come with integrated mounting straps which can be fully adjusted to accommodate most standard sized seatposts and handlebars'. '.strtoupper('t')he versatility of the mounting strap also makes it possible to attach the lights to your clothing, rucksack, helmet or panniers for a little extra visibility at every angle.side visibilitycateyes latest lights, including the lights in this set, come with specially adapted lenses which produce excellent levels of side visibility'. '.strtoupper('t')his is especially useful for cyclists moving through built up urban areas where you find yourself traversing multiple lanes of traffic from various directions.light modesel135 front lightconstant 25 lumens ndash 80 hoursflashing 25 lumens ndash 320 hoursorb rear lightconstant 5 lumens ndash 50 hoursflashing 5 lumens ndash 100 hoursslow flashing 5 lumens ndash 100 hoursfeaturesfront and rear light led light setin built mounting strapsside visibility improving lens designseach light comes with various light modesbattery life el135 two aa batteriesbattery life orb two cr2032 batteriesdimensions el135 84 x 36 x 26.5mmdimensions orb 26 x 26 x 31mmweight el135 94gweight orb 26gbuy cateye lights from chain reaction cycles, the world's largest online bike store.