Dual-layer 4-Motor Smart Car Chassis w/ Speed Measuring Coded Disc - Black + Yellow
Color: Black + Yellow - Material: Plastic - Easy installation smart car chassis kit - 4 deceleration DC motors making turning easy and quick - Self with speed measurement coded disc cooperate with photoelectric speed measurement and form a speed measuring system - Packing list: - 2 x Smart car chassis - 4 x Motor wheels - 4 x Speed measuring code discs - 8 x Fasteners - 1 x Installation drawing - 1 x Screws pack