Description: After strict testing, it can keep running for more than 3 hours with new 2x1.5V AA batteries. Helpful for your electric toy cars, science project etc Easy to install and save, put them in a sealed bag when not in use to prevent damp rust This 130 hobby motor is a general purpose motor, work with batteries or solar cells perfectly Galvanized surface treatment, high-temperature resistance, high abrasion resistance, strong load capacity, sturdy and durable, effectively protect the motor body. With precision winding technology, the geared motor power instant increased by 30%. 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. Specification: Suitable voltage 12V-24V Speed 10-20-40-80 RPM/min Load current 2.5A No load speed DC12V 3000-3500r/min DC 24V 7000-8000r/min Motor size: 38x20x15mm/1.49x0.79x0.59 inch Shaft diameter: 2mm / 0.08 inch Axial length: 9mm / 0.35 inch Package Includes:(5 Pack) 5 Pcs DC 3V Mini Motor