Attention Don t add too much water to avoid burn the receiver boardDescription Basic informationBrand SMRCItem No S810Scale 1 16Color Green and orangeMax Speed 22km hPower SystemMotor Mini brushed motorServo 9g steering servoTransmitterFrequency 2 4GChannel 4CHRemote Distance 60mRequired Battery 2X AA battery not included BatteryBattery for the Tricycle 1 2 3 7V 500mAh Li ion battery included number is optional chosen by yourself One Battery Charging Time About 120 minutesOne Battery Playing Time Approx 25 minutesOtherMaterial PA and electronic partsDimensionTricycle Size 23 2 14 2 14 8cmBox Size 26 5 16 21 5cm Features Function Forward backward turn left right front rear LED light spray differential full proportional servoAnti collision to side tilt structure excellent handling front rear high stroke suspensions 9G steering servo extremely fast reaction speed in front rear wheels with differentials front and rear lights light spray horn simulation engine sounds the internal simulation doll the doll s head can be shaked the speed is 22 km hLED high lights travel unimpeded at nightReal time motor power strong track abilityUpgraded the carbon brush motor high speed and high torque model motorStepless speed change 2 4G remote control support muti player compete togetherFront and rear independent shock absorber springDigital steering gear precise steering proportional steering systemLight spray simulated exhaust soundAnti slip and wear resistant vacuum tyreEquip