Durability: N20 gear motors utilize miniature metal gears with excellent stall characteristics, heat and vibration resistance, making them suitable for demanding applications. WIDE APPLICATIONS: These DC motors are lightweight and compact, ideal for DIY remote control toys, vehicles, drones, and airplanes. They serve as reliable replacements for damaged or worn gear motors in various devices. Motor operating voltage: DC 3V–6V. Can be operated with a 1.5V AAA battery when unloaded (battery not included). Motor dimensions: 10 x 12 x 15 mm Gearbox dimensions: 10 x 12 mm Output shaft diameter: 3 mm (D-type flat shaft) Output shaft length: 10 mm Weight: 9.5 g Performance: - 2.5V: 20 RPM - 3.6V: approximately 40 RPM - 5V: 60 RPM Color: As shown Material: Metal Package Contents: 8 x Geared motors Note: Lighting and display differences may cause slight variations between the product color in images and actual color. Measurement tolerance: ±1–3 cm.