Trail Tech TTO Meters are the versatile, functional, and cost effective solutions for your application, whether Powersports, Construction, Agriculture, Landscape, Power Generation or something different. The TTO comes in three standard versions; tach/hour, engine temperature, or voltage. We offer this mini maintenance meter in three colours (black, orange and red), and two mounting options (surface and panel). With extremely simple installation, add a TTO meter to nearly any type of vehicle in just minutes! TTO Digital Temperature Gauge Allows you to easily monitor your engine's temperature -40°-300°C/575°F ensuring you that your engine is not over heating. Trail Tech's TTO Temperature Gauge offers features that include an easy to read LCD display, and an ultra-thin design. The LCD display lets you to easily view all gauge readings regardless of the angle or lighting conditions.