TAODAN 4PCS Mini AC to DC Converter Power Supply 5V 3.5W 700mA Module Board Electronics Power Accessories

["Mini AC-DC converter board module, power input voltage range: AC50V-277V or DC70V-390V, output current: 5V0mA-700mA, output power: 3.5W","Output characteristics: Multiple voltage modules can be used in parallel to meet the needs of large currents in a small space.","Output voltage: 5V +0.15V/-0.15V no load and full load, light load minus 0.1V, rebound at heavy load, load 50per cent load ripple 60mV","Output current: 5V0mA-700mA, enter constant current mode at full load, test resistance: 7 Ohms (4.9V), output indicator: red light, output power: 3.5W, efficiency approx. 70-80per cent","Output protection: overvoltage, overcurrent, overheat, overpower, short-circuit protection, etc."]