Description Description: 1.This power source for the isolation industrial-grade built-in power supply module, temperature protection, and short circuit protection, AC85 ~ 265 v input voltage, wide 431 precision voltage stability DC5V output, with mounting holes, with input and output EMI filter circuit, small volume, stable performance, cost-effective-Input voltage of AC 85 ~ 265v 50/60 HZ-Output voltage DC5V（±0.2V） -Output current 1000MA-Power 5w 2.Use Environment- Working temperature:-20 ~ 60℃- Relative humidity：40 ~ 90%RHTechnical requirements- Input voltage range:85~ 265v- Input current:0.054A(AC110V) 0.027A(AC220V)- Input Inrush Current: 20A- Output voltage range:4.80~5.2V 0~1000mA- Output power:0-5.5 W- Output efficiency:80%- Size:5.1*2.3*2.2（cm）- Installation :A、In the input and output pins soldering on the PCB directly 3.Installation methods A、 can be installed at the input and output pins soldered directly to the PCB B、Fixed installation hole Package listing: 1 PCS AC-DC 5V 1A 1000mA Power Supply Buck Converter Step Down Module