Handheld Digital Induction Chainsaw Tachometer LCD Display IP65 Waterproofing Tach Gauge for 2.Feature: 1. High Accuracy: The chainsaw tachometer provides accurate engine speed measurement with two modes of operating, fast and precise. Real time LCD display ensures you have full control of your vehicle s power status, enhancing driving safety and enjoyment. 2. IP65 Waterproofing: The induction chainsaw tachometer is waterproofing and ensures stable performance in all weather conditions, can with