תיאור

To measure RPM of a spinning propeller, 2-9 blades ones, memorize peak RPM datas.
– Peak RPM value up to 99999 per minute!!!

Specification:
-Sharp backlit LCD screen, applicable under poor light condition.
-220mah removable lithium button battery included.
-Compact & extremely portable.
-Automatically shutoff when signals are not detected within a muinute
-Dimension: 90 x 54 x 16mm
-Weight:39g
– Up to 99,999rpm