Car Safe Device Anti Sleep Doze Nap Zapper Drowsy Alarm Sound Alert Sleepy Reminder for Driver Student Security Guard SafetyFeatures:Smallandlightweight,easytouseforalongtime SolidcolordesignmakesitmorefashionableThenoseismadeofrubber,bringsyoumorecomfort Autoalarmwhentheuser'sheadisleaningfor15-25degreesEspeciallysuitableforlong-distancedrivingornightdriving s:Rubberhookfitscomfortablybehindeitherear Driversafetyalarmcanhelppreventaccidentscausedbydriver'ssleepwhendriving Specifications:Material:plasticandrubberSize:75*50mmColor:blackPackageincluded:1xDriverSafetyAlarmNotes:1 Duetothedifferencebetweendifferentmonitors,thepicturemaynotreflecttheactualcoloroftheitem Weguaranteethestyleisthesameasshowninthepictures 2 Duetothemanualmeasurementanddifferentmeasurementmethods,pleaseallow1-3cmdeviation ThanksProducts from Chunchuan's store