Features: Small and elegant, good-looking quartz watch for the interior of a mini car. Quartz movement, luminous numbers and hands. Diameter: 1.7 ". Shock-proof, vibration-proof. Simple to attach, equipped with adhesive on the base, more convenient for you to stick it anywhere you want. This clock can be installed anywhere, such as an office, workbench or locker. Ultra smooth and high quality, a good gift for your family and friends. Specification: Type: Auto quartz watch Material: ABS Quantity: 1 piece Item color: Black Battery: Built-in button battery Battery life: About 1 year Waterproof: No Day diameter: Approx. 4, 5cm/1.8 " Overall size: 5.7 * 5.5 * 6cm/2.2 * 2.2 * 2.4" (L * W * H) Net weight: 0.045 kg/1.6 oz Package included 1 * o'clock 1 * package box