Charger Principle Byofferingmobilephonesfreeandecofriendlyelectricity,ourBicycleChargerisconsistedofachargeranddynamo,aswellasaholdertofixthephonetothebike.Whenthekitisinstalled,thedynamousesthemovementofthewheelstochargeI-phoneseriesandmostmobilesthroughUSBjack. Dimensions Weight Connectors Operatingtemperature Dynamo:40.2x94.3mm Dynamo(withmountings):250g USB2.0interface -15°Cto+55°C Charger:71x33x22mm Dynamo(excludingbrackets):190g Phoneholder:141x21x25mm Charger:36g Connectingcables:1,000-1,500mm Phoneholder:11.5g Thedynamogeneratespowerbythemovementofthewheelandthenconvertsthekineticenergy toelectricenergy. TheACfromdynamoischangedtoDCthroughthetransformer.TheDCturnsto5Vworkingvoltage byvoltageregulatortube. WehavedifferentrotarybracketsusedforIphoneIII,IphoneIVandanyothermodels.The adjustablescrewcouldbeoperatedbyhands. Installation TheBicycleCharger,includingthreecomponents:abottledynamo,achargerandaphoneholder, iseasytoinstallandsuitsmanydifferenttypesofbicycles.Thedynamofitstothebackofthebike withamountingbracket.Thechargerandphoneholderattachtightlytothehandlebars.The charger,phoneholderandphonecanbedetachedeasily.