325127 Brand new metal gear DC speed reduction motor 13MM exposed gear 12V 30RPM Product description: metal case， metal gears， high torque， low noise， good wear-resistant metal gear， gear has no empty space， long service life， durable gear teeth. Widely used in electronic locks， smart car models， robots， cameras， etc. Specifications: Rated voltage: 12V No-load speed: 30RPM Product diameter: 13mm Rated torque: 2kg/cm Stall torque: 4kg/cm Weight: 22g Shaft diameter: 3mm Product dimensions: 15 x 12 x 37 mm (excluding shaft length) Tips: 1. Use tolerance: Pay attention to the voltage and current use range， use the motor in the case of this standard required， otherwise the motor performance and motor life will decline. 2. Motor wiring: Red leading wire connects to the positive pole， and the black leading wire connects to the negative pole， if reversed， the direction of motor rotation will be opposite. 3. Overload: Please use it within the specified load range as possible， and it is strictly prohibited that the motor stalling or near stalling state long-time running. 1 x Motor