[Universal Adapter ]The output voltage of our power adapter is variable, the output voltage of 3-24V can be by adjusting the knob, and can be read through the display to adapt to situations [Anti-interference]Our AC adapter has high-quality built-in components, stable performance, good anti-interference, low output interference and stable output voltage, which can extend the service life of external equipment [Safety Materials]Adjustable power adapter adopts high temperature flame retardant material, the use process is , and the use of ultrasonic welding has better sealing performance [Effective Performance]This motor speed controller has excellent manufacturing technology, can be quickly , and reliable, and has overvoltage, overcurrent, overload and short circuit [Widely Used]The adjustable has stable output voltage and is widely used in monitors, LED lights, massage , electric fans, mini drills, electric screwdrivers, beauty instruments, routers, small , small speakers, mobile , access control Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Color: As shown Material: plastic Package Contents: 1*Power Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.