Full function 2. 4ghz system: 2. 4ghz allows you to run multiple remote control toys at the same time with no interference. Full function system allows you to maneuver in many directions. Also allows the front suspension for adjustment to turn in any direction faster. Strong double motor and electric energy converted into racing power, giving you a realistic experience, strong power to torque significantly, provides stable performance on any terrain, grass landscape, and concrete groundIndoor and outdoor use: 20km/h fast speed and impressive climbing ability enabled by the powerful brushed motor power-saving. Up to 30 minutes' driving offered by the 4. 8v 700mah NiCd battery2. 4Ghz radio system excels in anti-interference and ensures 50m long control distance anti-slip and wear-resistant rubber tire generates considerable grip on the groundSize: 9 x 6 x 4 inches - impact-resistant PVC body shell serves as a well protection the components inside well