AC-DC Buck Power Supply Module 220V to 3.3V 5V 12V 0 .9 A 3W Switching Power Source Stable Voltage Isolation Module AM21-3W
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Ac-dc Isolated Switching Power Supply Module Pcb Board, Xh-m299, Input 110-220v, Output 12v 0.5a + 5v, Aluminum Material, Room Electrical Hard Wiring, Operating Voltage ≤36v, Without Battery Or Laser
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