Easy to carry and store:The cars air vent clip quartz clocks are lightweight and compact, so they are easy to store or carry in the toolbox, backpack, pocket and so on.Luminous function:The pointers and numbers on this pocket clock are luminous, which can emit beautiful light at night, so that you can confirm the time at night, both functional and ornamental.Specifications:Material: steel, glassColor: blackSize: a diameter of 1.69 inchesQuantity: 1 piecesPackage includes:1 x Car dashboard clocksNote:Small items, please keep them away from little kids to avoid swallowing risk.Manual measurement, please allow slight errors on size.The color may exist slight difference due to different screen display.