1. The output voltage range of the wooden kit is 1.20V-12V, and the regulated output is continuously adjustable. 2. Power supply power: 2W 3. One adjustable signal generator output. Convenient to provide pulse signals to the test circuit. 4. With logic pen function. Convenient to test the logic level of the circuit 5. With 1 buzzer. It can test the continuity of the wire (connect the wire to the positive and signal input terminals of the power supply, the wire is connected-the buzzer sounds). It can also test low-frequency signals (input the signal from the signal input terminal, if there is a signal, the buzzer sounds) The product is a spare part, it needs to be welded and assembled by itself, especially suitable for DIY. Suitable for DIY electronic production, adjustable power supply assembly. Item Type: Voltage Power Supply Board Kit Input Voltage AC 220V Plug: EU Plug Power: 2W Output Voltage Range: DC 1.25-12V Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Colour:Photo Color Material:plastic Package Contents: 1 x Voltage Power Supply Board Kit 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.