Various power options from 1W to 30W, modular design, ultra small volume thickness of only 1.5CM, full range voltage input, low power consumption, green and environmentally friendly, no-load loss ≤ 0.1W, high efficiency, low ripple noise, output protection, EMI level: Class B, built-in fuse resistor, built-in EMI filter circuit, 100% high-temperature aging and testing, 3-year warranty.