Proline® Tachimetro Motosega 3 in 1 per Stihl, Husqvarna, Eco Cablato o Filo
Works on most small 2 and 4 stroke engines. Also reads RPM's, hour's and has a built-in service reminder. This is the way its manufactured. Proline P3-1M. Maximum RPM recall. Micro clip with wire (for wired mode).