Aluminum alloy body Oversized track Economical easy installation Self-contained electronic module mounting holes<br><br>Comes with mounting holes: 1.for arduino uno development board 2.L298N 3. Two 18650 battery boxes 4.mg996 steering gear Product parameters: Track: Engineering Plastic Design load: 2KG Motor model: 33GB520 Motor voltage: 9 to 12V (more than 300 revolutions per minute at 12V) size:23.5x16x5cm Material:Aluminum alloy + plastic colour:As Shown<br><br>Package Contents: 1 set x tank chassis kit(needs to be assembled by yourself)<br><br>Only the above package content, other products are not included. Note: Light shooting 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.