Essential Tool Set for Model Engine Builders Version:Version 2 1 x Car (Body +

1 x Car (Body + ESC + Motor + 2

as a collection of fine models

Body Weight: about 8

we will not process the refund

Essential Tool Set for Model Engine Builders Version:Version 2 1 x Car (Body +SKU: 3415133 1High precision Infrared Laser Contact Tachometer Measuring InstrumentFeatures:. Non contact design adopts photoelectric technology to measure some fast and unmeasurable objects, such as fans, motors, airplanes, propellers, cars, etc. Attach the reflective sticker (included with the product) to the subject before use, and operate the tachometer to detect.. Contact type, in order to make the tachometer and the measured shaft can reliably