100% Brand new and high quality.With a standard size, easy to install.Have good stability, high measurement precision.Strong anti-jamming capability.
Working power supply: AC/DC8-24V, 40mA
Clear zero: Automatic,Display refresher rate: 3 Times/Sec
Display: Red LED
Package Included:1 x Red LED Tachometer RPM Speed Meter, 1 x Hall Proximity Switch Sensor