1. On ground installation, 4000KGS lifting capacity ,lowest hight 110MM. 2. Rigid connection between two platform ensure synchronization. 3. All the seal kits of cylinder are import from Italy ,the cylinder import from TaiWan. 4. Extendable platform ,service for more cars. 5. Inside of cylinder assy has the special treatment and make sure that is doesn't t leak oil. 6. 24V control system and limited switch. 7. Standard electric unlocking device,the air unlocking device optional. 8. CE tested,120% dynamic loading test and 150% static loading test.