The number of hours an engine has been running is critical to its maintenance schedule. Attach one to your motorcycle, ATV or lawn-mower and be aware of upcoming service requirements.

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. The number of hours an engine has been running is critical to its maintenance schedule. Attach one to your motorcycle, ATV or lawn-mower and be aware of upcoming service requirements. 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.