Description:3 differentials, more stable, completes various aerobatics Equipped with high intensity motor & standard servo 2.4 G Hz technology supports several high speed car to compete simultaneously, perform off-road drift stunt 4WD independent suspension system Full scale 4WD system Shock absorbing bumper system, long service life Standard servo for higher maneuverability Engineering nylon materials-made frame, components, rocker arm for fall-resistance & longer life expectancy Rubber-made tire, built in shock-absorbing sponge Specification: Battery: New Version 14500 7.4V 650m Ah Li Battery (Old Verison 3.7V 700m Ah 2PCS) Charging Time:150 Min 2.4G Remote Control Distance:50 MRunning Time:40 MSpeed :40KM/HDimension:191*146*85mm Weight:317g Package Included:1x RC Car 1x Remote Control 1x USB (Universal Serial Bus) Charging Cable 1 x 7.4 V Battery 1x Screwdriver 1x L-shaped wrench 4x R-shaped lock 1x Manual