Better airplane performance made easier!
- Improved photosensor reads rpm from up to 12" away, increasing modeler safety.
- Measures 2- and 3-blade props, with an operating range of 0 to 32,000 rpm.
- Features one-touch operation and a large, 1/2" LCD display
- Readings are exact no need to multiply the indicated value by 10 to get a true rpm
- Auto shut-off function saves battery life; uses "AAA" batteries (which are included) for easy replacement