[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 percent . [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. New: A brand-new, unused 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 ( percent ) Rated speed(RPM):2RPM or 10RPM or 15RPM or 20RPM or 30RPM or 40RPM or 50RPM or 60RPM or 87RPM or 100RPM or 120RPM or 150RPM or 200RPM or 400RPM or 500RPM or 550RPM or 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.