Feature: 1. Gear transmission is stable, wearresistant, and possess large transmission torsion 2. 3 layers of highdensity molecular paint coating can effectively insulate dust and resistant to high temperature 3. This brush DC motor have strong motor power output, which is powerful and practical 4. Made of copper, brass and zinc alloy material, sturdy and for a long service life 5. The product is Mainly used for electronic locks, smart car, robots, cameras, etc. Specification: Item Type: Mini Gear Motor Material: Copper, brass, zinc alloy Model: 1218GE-N20 Motor Type: Brush DC motor Mainly used in electronic locks, smart car, robots, cameras, etc. Parameter: Voltage Reduction ratio No-load Load Block load Rotate speed Current Rotate speed Current Torsion Current Torsion 3V 1:236 16RPM 30MA 13RPM 40MA 120g.cm 0.4A 2.6KG.CM 3V 1:236 30RPM 30MA 25RPM 40MA 160g.cm 0.4A 2.2KG.CM 6V 1:236 35RPM 50MA 28RPM 40MA 220g.cm 0.4A 1.5KG.CM 6V 1:236 70RPM 60MA 61RPM 40MA 320g.cm 0.4A 2.2KG.CM Size: Approx. 8.5mm / 0.3in Approx. 4mm / 0.2in Approx. 8mm / 0.3in Approx. 10mm / 0.4in Approx. 7.5mm / 0.3in Approx. 0.5mm / 0in Approx. 18mm / 0.7in Approx. 10mm / 0.4in Approx. 12mm / 0.5in Approx. 2.5mm / 0.1in Approx. 18mm / 0.7in Approx. 15.1mm / 0.6in Diameter: Approx. 3mm / 0.1in Approx. 4mm / 0.2in Approx. 12mm / 0.5in Package List: 1 x Mini Gear Motor Note: Please allow 0.1mm error due to manual measurement. Thanks for your understanding.