Material:PCB. 1 Blank PCB. 1 Loose component kit. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
DC Adjustable Regulator Board LM317 LM337 Dual Polarity PCB Kit 50x70mm
DC Power Supply Board with LM317 LM337 Dual Adjustable Regulators PCB Kit
PCB Kit LM317 LM337 Dual Adjustable DC Power Supply Board 1.25V to 30V
