G.T.Power Rc Speed RPM Measuring meter Velometer ,Spinning propeller 2-9 Propeller RC Helicopter Airplane Car F01973 Category_Landing Gear no need to make too

no need to make too much manual changes to the aircraft

Range: Approx 500m

Package include: 6x 16MM*14MM*245MM 3K Carbon Fiber Tube 6x Motor Mount Plate Holder (Black ) 6x Z16 Folding Arm Tube Joint

using centimeter and inch inch scale

bear the force of more than 50kg

G.T.Power Rc Speed RPM Measuring meter Velometer ,Spinning propeller 2-9 Propeller RC Helicopter Airplane Car F01973 Category_Landing Gear no need to make tooRM1641845738474258 Description Function: To measure RPM of a spinning propeller,2 9 blades ones,memorize peak RPM datas. Peak RPM value up to 99999 per minute Features Sharp backlit LCD screen,applicable under poor light condition. 220 mah removable lithium button battery included. Compact & extremely portable. Automatucally shutoff when singals are not detected within a minute. Weight: 39g Dimension: 90*54*16mm Operation instruction 1)Press