Description: 【Adjustable Voltage Regulator Kit】: This kit features the LM317 adjustable voltage regulator, allowing you to stabilize the output voltage for various electronic projects 【 Material】: Constructed from   PC  material, this power supply board ensures durability and long term performance in your DIY projects 【Compact 】: With dimensions of  11cmx6.9cm/4.33inchx2.72inch , this Adjustable Power Supply Board Kit is compact enough to fit into a variety of setups while providing efficient functionality 【Complete Set Included】: The package includes a  set  adjustable voltage regulator kit   needed for assembly, making it convenient for both beginners and experienced electronics enthusiasts to build their own power supply unit 【Design】: Suitable for electronic DIY electronics enthusiasts to learn, welding practic Specification: Power: 2W Input voltage:  110V  Output voltage: about 1.2-12V Size Chart: 11cmx6.9cm/4.33inchx2.72inch  Package Includes: 1  Power Supply Voltage Regulator kit(US Plug) Note: Please allow slightly errors due to manual measurement and different monitors.