Motor App Remote Control Programming Set

[Remote Control & APP Control]There is remote control.Support the technic parts foward /backward /left /right. Reserve swithching betwwen positive and negative. You can also download the APP to control. The remote control needs 2*AAA supply (not included). [4-Terminal Master]This 4-channel masterFeature with 7.4V Output 500MA battery capacity and 4 motor output ports. [Adapt to Building Block ]The whole set can basically adapt to type of building block car in the market. [Safety and Learning for kids]Made of high-quality ABS plastic materials.By assembling building blocks children can exercise their hand- coordination ability stimulate their and make enjoy the joy of doing things. Colour:Photo Color Material:ABS plastic Package Contents: 1 x remote control (2 AAA batteries not included) 1 x lithium battery box 1 x USB charging cable (random colors t accept the specified color) Only the above package content other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.