ROD YI GONG 636 970 1/50 RC Simulation Engineering Model Alloy Track Bulldozer/Excavator RTR Screw Excavator Sou82.79Buy!$Banggood.comDelivery: in USA ReportNote 1 Only the track isalloy the other parts are plastic Description Basic informationBrand YI GONGModels 636 RC loader 970 RC excavatorModel 1 50Speed 3km hPower systemMotor N20S reduction motor more→TransmitterFrequency 2 4 GHZBattery 3 7V 400mAh polymer lithium battery included Battery 3 7v 800mAh polymer lithium batteryothersCharge time 2hUsing time 1hControl distance 25 30mMaterial Zinc alloy ABS MABS PPFunction forward backward turn left turn rightDimensionExcavator size 38x9 5x39xcmBulldozer size 27x7 5x18 5cmPackage size 33 10 x 18cmWeight 1000g Feature 1 All vehicle components utilize bearings2 Gearbox utilizes powder alloy gears3 High rate lithium ion battery pack4 N20S reduction …