1. Power:5HP 2. Displacement:500L/MIN 3. Cylinder:90mm*2 4.Speed:920rpm 5.Weight:16kgs 1. Power:5HP2. Displacement:500L/MIN3. Cylinder:90mm*24.Speed:920rpm5.Weight:16kgs6.WITH REFIRGRATION ,EASY TO RELASE HEAT7.GOOD WORKING BD-2090 Aluminum Air Compressor Pump