CHANCS TYC-50 Synchronous Motor 110V AC 15-18RPM CW/CCW 4W Electric Fireplace Working Voltage: AC 110-127V Speed: 15/18r/min Shaft Length: 16mm;Shaft Diameter: 7mm Shaft Rotation: CW/CCW (UNCONTROLLABLE) GuaranteeAny quanlity problem,we guarantee 100% unconditional refund or resend service.