This is our new low cost, but extremely DC Gear Motor.Specification:No-load Speed: 110RPM at 24 Volts;kg.cm: 2Power: 4.32W;No-load Current: 0.1A;Load Current: 0.18A;Reduction rate: 1: 31.6D Shaft Size: 15mm x 5.9mm/0.59 x 0.23 inches (L*D);Gearbox Size: 24mm x 37mm/ 0.94 x 1.46 inches (L*D);Motor Size: 33mm x 35.5mm/1.3 x 1.4 inches (L*D);Mounting Hole Size: M3 (not included).