PROLUX MICRO TACHOMETER
How fast is your motor spinning? Theres no need to guess with this handy little device.
- Meisures 2, 3, & 4 Blade Props
- Shows 4 digits in a 0 - 32,000 rpm range
- 3V 220mAH lithium battery included
- Auto shut-off function after 120 seconds.
- Low battery icon.