SUPERIOR PORTABLE MICRO MOTOR 1,Speed:0-25,000 r.p. ... 3,Recharging Time:5-6 hours 4,110V or 230V SUPERIOR PORTABLE MICRO MOTOR Pocketful & Handy Battery Operated Micromotor 25,000 ... battery detectorComplete Set with New controller (Without Handpieces) 120V/230V SUPERIOR PORTABLE MICRO MOTOR