Product Size: 20.7 x 9.1 x 7.1 inches (52.5 x 23 x 18 cm); Package Size: 22.4 x 11.8 inches (57 x 26 x 30 cm); Version Difference: Basic Version Configuration: Plastic Truck, Plastic Drive Wheels, Plastic Induction Wheels (Front and Rear Wheel), Metal Gear Box, Metal Barrel, 2.4. G Remote Control Professional Version Composition: metal truck, metal rocker arm, metal drive wheel, induction wheel plus double bearing, wheels plus double bearings, metal drive wheels, metal gear box, built-in barrel metal, third generation version 5.2 2.4G remote control Product Includes: Tank x 1, 2.4G remote control x 1, 1800mAh battery x 1, charger x 1, bullet x 1, tank decorative accessories and sticker * Box Main Features: Control 360 degrees. Walking, 360 degree rotation in the spot, 320 degree turret rotation, 30 degree down when you lift the barrel, you can launch the shell (about 20 meters) and remote control tank walking. Wait for multiple actions at the same time, the turning turret 1 cm (CM) 10 mm (mm) 0.39 inch (IN) you can contact us and we will try our best to answer any questions within 24 hours. in the USA. We are committed to providing high quality products to our customers.