ProductInformation: Material:borosilicateglass Size:diameterabout30/44/54/66mm/1.18/1.73/2.60in Specification:about30/44/54/66mm/1.18/1.73/2.60in Workingtemperature:-50-220 Luminousangle:5-60degrees Lighttransmittance:morethan97% Lightrefractiveindex:1.47 Lightangle:adjustableangle(theactuallightanglecanbeobtainedbyadjustingthedistancebetweenthelensandtheLED) OpticalglassconvexlensissuitableforLEDspotlights,carlights,flashlights,andprojectionlamps.Itismadeofhighborosilicatematerialwithhightemperatureresistance.Theanglecanbeadjustedby10-80-90degrees.Itcanbematchedwithvarioushigh-powerLEDs.Itenjoysuniformspotwithoutblackholes.shadow,darkarea. PackingList: 1*Plano-convexglasslens PAYMENT: 1)WeacceptAlipay,WestUnion,TT.AllmajorcreditcardsareacceptedthroughsecurepaymentprocessorESCROW. 2)Paymentmustbemadewithin3daysafterordering. 3)Ifyoucan'tcheckoutimmediatelyafterauctionclose,pleasewaitforafewminutesandretryPayment. SHIPPING: 1)Weonlyshiptoyourconfirmedaddress.Pleasemakesureyourshippingaddressiscorrectbeforepurchase. 2)Normally,alltheorderswillbeshippedoutwithin1-2businessdaysuponpaymentconfirmation. 3)TheshipmentbyPostAirMailisonlyforweightlessthan2kggoods. 4)Ifyouneedthegoodsveryurgently,pleasecontactusforDHLorFedexShippingetc. Wewillcalculatetheshippingcostforyou.Italwaystakesabout3-7daystoarrive. REFUND: 1)Wearenotresponsibleforanycustomdutyorimporttax 2)Wedoourbesttoserveourcustomers. 3)Wewillrefundyouifyoureturntheitemswithin7daysofyourreceiptoftheitemsforanyreason.However,thebuyershouldmakesurethattheitemsreturnedareintheiroriginalconditions.Iftheitemsaredamagedorlostwhentheyarereturned,thebuyerwillberesponsibleforsuchdamageorloss,andwewillnotgivethebuyerafullrefund.Thebuyershouldtrytofileaclaimwiththelogisticcompanytorecoverthecostofdamageorloss. Thebuyerwillberesponsiblefortheshippingfeestoreturntheitems. FEEDBACK: 1)Yoursatisfactionandpositivefeedbackisveryimportanttous. 2)Pleaseleavepositivefeedbackand5starsifyouaresatisfiedwithouritemsandservices. 3)Ifyouhaveanyproblemswithouritemsorservices,pleasefeelfreetocontactusfirstbeforeyouleavenegativefeedback. 4)Wewilldoourbesttosolveanyproblemsandprovideyouwiththebestcustomerservices.