Description
DC motor specification:

Rated Voltage: 3-12 V DC
Unloaded speed: 120 RPM
Load current: 190 mA (250 mA MAX)
maximum torque: 800 gf. Cm min.
Wheel specification:

Width: 30mm
Diameter: 66 mm(approx)
Dimensions(L*W*H): 25.5*15.5*6.5 cm(approx)
Package includes:

Car chassis (acrylic material) *2
DC gear motor (strong magnetic over EMC detection) *4
Yellow wheel *4
20 line speed code plate (non-ordinary six lines 10 lines) *4
Fasteners *8
3D assembly drawing *1
Screw nut copper pillar *1 set
Screw Driver (Flat + Star) (May not be included, depends on manufacturer)