Mini DC Toy Motor Tools optically coupled to a high-speed

optically coupled to a high-speed detector of one chip photodiode-transistor

of Contact Points 2 Connector Type XT90 Metal Connector Size 4

Energy saving lamp:4*300W

Power Supply for Battery Chargers

Mini DC Toy Motor Tools optically coupled to a high-speedGreat fun motor, works with a variety of power sources (batteries and solar cells), is simple to assemble and disassemble, and is suitable for a variety of projects at home and in the classroom. Excellent for robotics, student lab projects, stem classes, motorized cars, and engineering projects. Specification Voltage Rated DC 3V 6V Current Rated 0. 6A Shaft Diameter 2mm Shaft length 8. 5mm Motor Length with Shaft 38mm Motor Diameter 20. 5mm