AC-DC Step Down Transformer Power Supply Module 5V 600mA 3W

From the shop's description

5V 600mA 3W: Input voltage range: AC70-270V, DC100-380V Output Voltage;5V;max output voltage range:4.9-5.3V or 4.8-5.2V; Output Current:0-600mA Output indicator: green Total load power:<4w No load power: 0.03W Frequency range (Hz): 47-63 Working temperature: – 25-70 ° C (the maximum temperature resistance of components is 105 ° C) (it is not recommended to use above 70 °C) Test resistance: 7 Ω (4.9v) to 5v Output power: ≥ 73% – 80%; Surge current (A) Cold start: 4A/230VAC Output protection: overvoltage, overcurrent, over temperature, short circuit protection, etc.