Specification:

Input voltage range: AC50V-277V / DC70V-390VNo-load power: <0.05W Full load power: <4WOutput characteristics: Multiple voltage modules can be used in parallel to meet the needs of large currents in small spaces.Output voltage: 5V +-0.15V no load and full load, light load minus 0.1V, rebound when heavy load, 50% load ripple 60mVOutput current: 5V0mA-700mA, enters constant current mode when fully loadedTest resistance: 7 ohms (4.9V) for 5VOutput indicator: green lightOutput power: 3.5W, efficiency is about 80%Output protection: over voltage, over current, over temperature, over work, short circuit protection, etc.Overall height: 13.5mmPackage included:

20 x AC-DC 5V 700mA 3.5W Isolated Switching Power Supply Module