1. AC-DC gallium nitride isolation switching power supply module uses POWER INTEGRATIONS's SC1933C as the main control chip. 2. It can efficiently convert AC90-250V@50HZ ~60HZ alternating current into stable 12V direct current. 3. The input terminal has its own EMI filter and protection circuit. 4. Prevent mutual interference between the power grid and switching power supply. 5. The output terminal supports three wiring methods: screw post, plug-in type, and . Onboard SC1933C High-Efficiency Nitrided Power IC Input Voltage: Ac90-250v@50hz~60hz Output Voltage And Current: 12v/3.3A Maximum Output Power: 40W Input Terminal: KF128-5.08mm-2P Terminal Output Terminal: KF128-5.08mm-2P Terminal Block; XH2.54mm-2P Terminal, SMD Pad Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:PCB Package Contents: 1 x SC1933C 12V 3.3A Switching Power Supply Module Only the above package content, other products are not included. Note: Light reflection 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.