Hour Meter Trail Tech Tach/HourDescription: TTO is the smallest available meter at 50x25x14mm and has large, easy to read digits. Easily mount it to any surface using either the bolt on (Screws not included) or peel n stick mounting options. Features: TTO digital tach hour meter will work on any gasoline engine This little gauge provides several useful features including a tachometer, a non resettable hour meter, a resettable hour meter for maintenance, and a clock There is an