LM317 LM337 Positive and Negative Dual Power Adjustable Power Supply Board Diy Kit

LM317 LM337 Dual Power Adjustable Power Supply Board
Maximum Power Per Channel:10W
color: blue
Material: plastic + metal
Package Contents:1* LM317 dual power amplifier board set
Only the above package content, other products are not included.
Note: Light shooting 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.

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