Gru elettrica senza fili senza fili 4 chiavi radio paranco telecomando HS-4 1 velocità
HS just the Model code. Crane/Conveyer/CNC/Coal Digging Machinery/Generator Startup/Concrete Pump/Grab Bucket/Other Machinery. the high performance CPU. Frequency :50/60hz. each set have unique frequency ,different S/N Code.