The JZM H3 1/12 RC hydraulic upgraded excavator inside -It is unique with double pumps and 11.1V 3S 15000mAh battery which can make it move smoothly, powerfully and more like a real excavator .An added cooler fan drives away heat of excavator to some degree when it is working . It can give you more real operation experience with upgraded parts like FrSkyX10E controller, FrSky X8R receiver ,5055 pump,60A brushless ESC.Now there are only two excavators in stock on sales.If you have any interest ,please pm me.

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