12000lbs(5500KG) lifting capacity CE Approved and Certified. It has adopted the 115% dynamic loading capacity standard and was 150% static loading capacity tested Manual safety release from two sides Symmetric arms Dual Hydraulic Chain-Drive Cylinders Rubber pad door opening protection Comes with extended support adaptor sets of 30 mm and 120 mm Overhead safety shutoff bar Feet-protection safety guardrails with tools box High-quality hydraulic system with 220V/60HZ/1PH or 110V/ 60HZ/ 1PH (Optional)