This show-chromed billet beauty comes with your choice of a waterproof precision clock or an analog thermometer already installed. Buy both and install the clock on one side and the thermometer on the otherFeatures Specifications: CNC-Machined billet aluminum housing Triple chrome-plated for a show-quality shine Mounts to any standard 1 diameter handlebar Instruments are available in your choice of either White or Black dials to match your factory gauges. Simple to replace long-life battery already installed in the clock thermometer does not require a battery Gauges feature luminous hands and dials for night-time riding Instruments feature stainless steel cases and mineral glass crystals Rugged instruments designed specifically for Motorcycle installations are warranted against Vibration Water and Shock for ten years