Smart Robot Car Chassis Kit Speed Encoder Battery Box 4WD Ultrasonic Module for Kit

New Avoidance tracking Motor Smart Robot Car Chassis Kit Speed Encoder Battery Box 2WD Ultrasonic module for kitWith 3D installation drawings, get the hand in accordance with the drawings can be installed as long as ten minutes to complete, is very simpleColour: black-yellowMaterial: ABSSize: 22 x 16 x 7.5 cmPackage Contents:4 x Geared motor4 x Tyre4 x Motor fixing2 x Car chassis (acrylic material) 1 x L298N motor driver1 x for UNO328 controller board1 x for sensor board1 x Holder kit1 x Steering gear1 x Ultrasonic module1 x Tracking module1 x USB cable1 x 3D assembly drawings Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.