Fitting of DIY， great for Arduino DIY project， exercise your hand and brain.

Features:
Simple installation， stronger， with install guide.
Support double layer chassis.
Increasing mounting holes for 5-AA battery and 2-lithium battery.
Has two speed disks hole can be used with speed sensor.
Using strong 130 anti-jamming magnetic torque motors， motor running stability， jitter-free. Voltage 3~10V， transmission 1:48 than fast， speed cars best.
Thickening to increase chassis， 22cm， two-wheel width 17.5CM， head width 15.6CM， Middle 12cm wide.
Measuring 7.2V idle current is about 130mA， around ground running current of 200mA.

Specifications:
Color: black + yellow
Material: acrylic
Weight: 270g / 9.52oz
Size: 22 * 16 * 6.5cm / 8.66 * 6.3 * 2.56in ( L * W * H )

Packing List:
1 * Chassis
2 * Wheels
2 * Gearmotor
2 * Velocimetry code wheels
1 * Battery holder
1 * Fastener
1 * Switch
1 * Universal wheel
1 * Pack of screws
1 * Assembly drawing