Roeam 1.25V_12V Continuously Adjustable Regulated Voltage Power Supply DIY Kit with Transformer _ LM317

Useful and high quality regulated power supply DIY kit for experimental use. Easy to install and maintenance. Features: High quality regulated power supply that output voltage is continuously adjustable from 1.25V to 12V. With pure copper power transformer, power: 2W, 15V output. Transparent baseboard, convenient for use. Easy to install and maintenance. It's very nice for electronic enthusiasts and students as a DIY kit.  Specifications: Plug Type: EU / US (Optional) Input Voltage: 220V(EU) 110V(US)  Output Voltage: 1.25V-12V Continuously Adjustable Transformer: 2W, 15V Output PCB Size: 65 * 55mm / 2.55 * 2.16in Package Size: Approx. 14 * 9 * 4cm / 5.5 * 3.54 * 1.57in Package Weight: 229g / 8.09oz Package List: 1 * Regulated Power Supply Kit