1. Using high-quality materials, and long-lasting 2. Stable performance and convenient use 3. Voltage regulation: The required output voltage can be continuously adjusted by the knob, providing different DC voltages to the electrical appliances, making it a versatile power supply 4. Compact and , with a beautiful appearance 5. Widely applicable, it can be used for speed regulation and dimming of small DC motors, etc Parameter: Product name: Adjustable voltage power adapter Input voltage: AC100-240V 50/60HZ Output voltage: DC3-24V adjustable Adjustable output current: 5A Output interface: 5.5 x 2.5MM compatible with 5.5 x 2.1MM (with snap ring inside) Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC 220V Colour:Black Material:ABS Package Contents: 1 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.