Hand Propeller Geschwindigkeitstester klein RC Drehzahlmesser digital + Akku + Lanyard
22,20 €
Small error and high accuracy. Suitable for RC airplane, duct, propeller speed test of propeller. It is easy to use, just turn on the switch, select the number of propeller blades, and aim at the rotating propeller at a distance of about 5~0cm to start reading.
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