Features: The SMC04 high power 6.60A steppers motor controllers offer pre programmed motion and customizable distance/speed/delay/cycle setting, ideal for single bipolars motor controllers with builts in memory retention after power loss. Featuring ABS construction, 12V power output terminals, double triggers, double limit switches, and configurable output channel requiring common anode 12V wiring for industrial integration flexibility. Designs for automation engineers, equipment operators, and industrial machinery developers seek two phase motor controllers solution in critical manufacturing environment. Optimized for industrial automation systems, robotic positioning mechanisms, and production line equipment where programmable motor control with multiple safety interfaces is required. This industrial steppers motor support standalones operations or systems integration through its expansion port, ensuring seamlessly compatibility with various 12V power automation setups while excluding medicals/life critical applications. Specifications: Component: ABS Size: 7.9x4.30x4.1cm/3.11x1.69x1.61inch Package Includes: 1pc Motor Driver note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.