[ Ready go to ... https://www.indiegogo.com/projects/gevi-grindmaster-ultimate-stepless-coffee-grinder [ Gevi GrindMaster: Ultimate Stepless Coffee Grinder] ]
Stepless grinding|400W BLDC motor|500-1500 RPM|SSP burr choices|Pre-breaker|Near zero retention | Check out 'Gevi GrindMaster: Ultimate Stepless Coffee Grinder' on Indiegogo.