Introducing the new and improved SkyTach. It now has a 3190 max RPM viewing ability. A larger viewing window and re-designed and improved buttons. Still the same low price!

-RPM Range: 1000 – 3190rpm
-Accuracy: +/- 2.5rpm
-Operating Battery Drain: 29mA @ 9V
-Sleep Battery Drain: 70uA @ 9V
-Sleep Time: 30 Seconds
-Battery Type: 6LR61 Alkaline 9V battery