[ALL-METAL GEARS]: High-temperature resistance, high abrasion resistance, strong load capacity, sturdy and durable, effectively protect the gear box motor body. [PURE COPPER WIRE CORE ROTOR]: With precision winding technology, the geared motor power instant increased by 30%. [D SHAPED OUTPUT SHAFT]: Using high hardness steel, good toughness, impact resistance, the quality of the bearing and the service life of the gear motor are improved, extremely durable. [POSITIVE-NEGATIVE ROTATION]: You also can adjust the speed, but the motor speed can only be reduced, can not be raised. Low noise and high torque, such as 10rpm can drive 15 kilograms. : A brand- Nominal Rated Input Voltage:12 V Shaft Diameter:37mm Model:HJP37RIC Rated power:6-8 (W) Product type:Brush DC Motor Rated voltage:12-24 (V) Rated current:0.4-1 (A) Rated torque:0.05-3 (NM) Scope of application:Automatic Control Equipment Efficiency:60 (%) Rated speed:1000RPM Colour:silver Material:Metal Size:37x70 (Mm) Weight:211G Package Contents: 1 x motor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.