Voltage Adjustable Power Supply-Input: AC 100~240V, 50/60Hz;Output: DC 9~36V Adjustable(such as 9V10V 12V 14V 15V 19V 20V 24V 28V 30V 34V 36V),Power 108W Max;Compatible with devices with current below 6Asuch as 200mA,300mA, 500mA,1A,1.5A,1.8A,2A,2.5A,3A). Universal Switching Power Adapter-Built-in protruding rotatable button for adjusting the voltage suitable for your device.Increase the off gear to turn off the power without pulling the plug.The LED displays real-time voltage,voltage data visually.When in use, set the voltage to the target voltage before connecting your device. 3 Test Leads Durability-The jumper wire is made of PVC material, safe and reliable, strong elastic force. Test leads surface plating, glossy. Does not cause wire crossing or a short circuit. lligator clips electrical are made of nickel-plated steel with a strong spring and a strong connection to ensure good conduction, insulated clips are flexible to slide back and forth to adjust the clip exposure