D2-6 Bluetooth Car Kit / Bluetooth remote control / gravity sensing / tracking obstacle avoidance 51 SCM smart car (It is Accessories ,not assemblyed)

product description D2-6 Bluetooth Car Kit is the latest version of the D2 Series Kit. Through program control, with tracking, obstacle avoidance, Bluetooth control, cell phone gravity sensing control and other functions. The car with a serial port interface, through the Bluetooth module to achieve wireless remote control. Compared to the previous D2 series car can only control the progress, D2-6 adds more features, not only can be achieved forward, but also to achieve regression. Using a 3.7V lithium battery charges, reducing costs. Working voltage: DC 3.7V (a lithium battery) ????? Board size: 105mm * 72mm