Note: this item only support 220V. Reduction ratio: 1:10 (can be customized). Voltage: AC 220V Single Phase. Speed: 0-125rpm (can be customized). Hole to hole center distance: 58MM. The default is 10K (125 rpm 0 rpm), if you need others, please tell us. 1:3 (415 rpm 0 rpm) 1:5 (250 rpm 0 rpm) 1:10 (125 rpm 0 rpm) 1:15 (83 rpm 0 rpm) 1:20 (62 rpm 0 rpm) 1:25 (50 rpm 0 rpm) 1:30 (41 rpm 0 rpm). 1:100 (12.5 rpm 0 rpm) Package Include: 1 x AC Gear Motor 1 x Speed Controller. It is charged by the custom of your country.