This clock can remind you the time, never be late for important meetings. It is easy to install, just stick it to the location of your car wherever you want. Very practical equipment. Specifications Good and beautiful function, fine workmanship, perfect decoration for your car. Glass mirror surface, scratch-resistant, high transparency and durable. Easy installation, just stick it anywhere in the car with adhesive tapes. Bright clocks and digital display can give you a clear view even in the dark night. Always ensure accurate time while driving. Small size, never take up car space. Specifications Shell material: ABS plastic Mirror surface: glass Colour: Black.Diameter: approx. 4 cm.Included:1 x car clock.Included1. Slight dimensional discrepancies within 1-2 cm result from manual measurement. 2. Please understand that colors may exist chromatic aberration due to different placement of photos.