Features: 2.4 GHz radio technology with a control range of up to 50 meters. Four-wheel drive, dual-strong magnetic motor power output, high horsepower climbing, Four shock absorbers, elastic + foot coil springs, rubber wheel Hi-Q, non-slip, perfect experience. he anti-collision protection design of the front end can greatly reduce the damage to the front-mounted motor of the remote control car. Greatly twisting the angle and easily coping with various terrains Field of application: soil, grassland or sandy soil If you need to buy more than two cars, I have 4 suggestions 37cm+37cm 20cm+28cm 20cm+37cm 28cm+37cm