The Difference of Standard Version VS Upgraded Version Standard including axle electric differential lock including iron frame Upgradd added on the basis of standard configuration lights sound effects winches smoke generators row lights Description Basic informationBrand HGItem No P411Scale 1 10Color Yellow and blueAge 14 Speed 3 4km h low gear 8 5km h high gear Power SystemESC 45A independent esc speed controllerMotor 540 brushed motor strong magnetic 12000rpm Servo 9KG waterproof alloy gear digital servoTransmitterFrequency 2 4GChannel 16CHRemote Distance ≥ 100mBattery 6X 1 5V AA batteries not included BatteryNot IncludedBattery for the Trailer 7 4V 4500mAh 30C Lipo battery not included Required Charging Time About 4 hoursSupport Playing Time About 30 minutesOtherMaterialL Hardware plastic and electronic componentsLow Gear 1 78 26High Gear 1 31 3Standard Car Weight Around 6500gUpgraded Car Weight Around 7000gDimensionCar Size 595 246 320mmWheelbase 281mmWheels Track 149 5mmWheels Diameter 118mmBox Size 750 308 353mm Features 1 45A ESC can switch between brake and no brake mode and switch between Li PO and NI HM lithium battery protection modesa ESC with low voltage protection When the battery voltage is too low the ESC will start power off protectionb High temperature protection When the working temperature of the ESC is higher than the set value the ESC will start power off protection when the temperature drops to the normal value it will retur