... 2.manual Hoist or electrical 3.high efficiency,energy save 0.5-5T Slewing Jib Crane One years warranty: All cost ... .512351016Arm lengthMMax.16mHoisting heightM3,6,9,12Hoisting speedM/MIN8,8/0.8,7,7/0.7,3.5,3.5/3.5Travel speedM/MIN20,30Rotating ...