LM317 Adjustable Voltage EU 220V Power Supply Module Kit Electronics DIY Spare Parts

Specification: Power: 2W Voltage: 220V Plug: EU Plug Output voltage: 1.25V - 12V regulated output continuously adjustable PCB board size: 7.3 x 6.8cm / 2.87 x 2.67'' (L x W) Shell size: 12 x 7 x 4.8cm / 4.72 x 2.75 x 1.88'' (L x W x H) Features: One way adjustable signal generator output. Convenient to provide the pulse signal With a logical pen function. For convenient the logic level of test circuit With one way buzzer. You can test the wires on and off (Connect the wires to the power positive and signal input