Speed RPM Meter Gauge With Backlight, Non Contact Digital Tachometer, RPM Digits Accuracy, Data Hold Function

High-concerned chemical：None Origin：Mainland China Material：Plastic Specification 1：Digital tachometer Specification 2：Non Contact Tachometer Specification 3：Motor speed indicator Specification 4：RPM tachometer Specification 5：Highprecision digital tachometer

High-concerned chemical: None Origin: Mainland China Material: Plastic Specification 1: Digital tachometer Specification 2: Non Contact Tachometer Specification 3: Motor speed indicator Specification 4: RPM tachometer Specification 5: Highprecision digital tachometer