Feature: Brand new and high quality Battery: use button battery to save power The back of the watch has a round suction cup that can be firmly attached to the glass surface. The dial uses LCD display time the time is clear. It is an great timetable for the home and the car. Low temperature will reduce the suction force of the suction cup and it will be OK to apply some water on the suction cup. Suggestion for use: Please clean the surface to be absorbed before pasting the electronic clock. At the same time the alarm clock can also be used as the kitchen electronic clock Specification: Material:Plastic Size:9cm/3.54inch x 2.7cm/1.06inch x 0.4cm/0.16inch. Package Included: 1 x Car Digital Clock Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store