6.25 CFM 2 stage vacuum pump with a 1/2 HP motor. Advanced two-stage design pulls deep vacuum fast to 15 microns. Dual voltage 110/220 - 60/50hz with fuse. 3 fitting connection 1/4" SAE x 3/8 SAE x 1/2" ACME with plastic caps. Rubber molded base for quieter running pump This uniquely designed vacuum pump is dual stage and has a 1/2 horse power motor. The power is strong with the dual voltage 110V-60hz/220V-50hz, with a built in fuse. Also has a built in gas ballast to help pull faster vacuum with less moisture. It's designed with a large oil sight-glass to give you a better indication of the condition of the oil. Makes the job go faster and easier! Made with the strength and durability to last!