Features: 1. Small and classy, good-looking mini car air conditioner vest clock 2. Quartz movement, luminous pointer 3. Diameter:1.7'', Shock proof, vibration proof. 4. With 3M double-sided tape on the back, this clock can be installed anywhere you want such as an office, car dashboard, workbench, or locker. Specifications: Type: Car Air Vent Quartz Clock Material: Plated metal Quantity: 1pc Item Color: Silver or Black Battery: Built-in button battery Battery Life: About 1 year Waterproof: No Item Size: 4x1cm or 1.7x0.4'' (DxH) Net Weight: 35g or 1.2oz Package Includes: 1xCar clock Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Please allow slight dimension differences due to different manual measurements. Thank you for your understanding.