BAZHOU Power Supply Board 0-30V 2MA-3A Adjustable DC Power Supply Module DIY Kit with LED Display Module All straight inserted element, make easy, only an adjustable components ( used to adjust the voltage of 0 v ) This circuit is a continuously adjustable regulated power supply with a voltage adjustment range of 0-30V, and also includes a current output limit circuit LED indicator for output over current, when the current exceeds the set data circuit protection, over load and short circuit protection Minimum current (2mA) under the measurable leds and zener diode This circuit can also two series into a dual power supply, can meet the needs of all sorts of use Kit production requires corresponding electronic technology and hands-on ability, please make sure you can complete the production Color: Multicolor Size: PCB size: 84*84mm Quantity: 1pc 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding. 3. Only the above package contents, excluding other products.