1、High quality plastic tank chassis, a perfect accessory for tank or robot toy. 2、Superb craftsmanship, designed for lasting performance and long durability. 3、The aluminum alloy chassis design is exquisite, stable with complete structure. 4、The track has large grounding area, small grounding ratio, light weight and low noise. 5、Dual-drive motor provides sufficient power and fast driving speed. Features: High quality plastic tank chassis, a perfect accessory for tank or robot toy. Superb craftsmanship, designed for lasting performance and long durability. The aluminum alloy chassis design is exquisite, stable with complete structure. The track has large grounding area, small grounding ratio, light weight and low noise. Dual-drive motor provides sufficient power and fast driving speed. Specification: Condition: 100% Band New Strap Material: Plastic Body Material: Aluminium Alloy Input Voltage: 12V Rotational Speed: 12V/100rpm Optional Type: Assembled, Unassembled Size: Approx. 210*140*100mm / 8.3*5.5*3.9in Package list: 1 * Tank Crawler Chassis (Assembled) or Crawler Chassis Accessories Set(Unassembled)