This is our new low cost, but extremely DC Gear Motor. Specification:No-load Speed: 285RPM at 24 Volts;kg.cm: 0.7Power: 7.2W;No-load Current: 0.1A;Load Current: 0.3A;Reduction rate: 1: 17.4;D Shaft Size: 0.23 x 0.57 inches (D*L);Gearbox Size: 1.46x 0.91 inches (D*L);Motor Size: 1.39 x 1.30 inches (D*L);Mounting Hole Size: M3 (not included).