Switching power board module $ 5.86 Model ys-u5s Material: metal Type AC / DC power supply Modulation mode: pulse width modulation (PWM) Transistor connection mode: single ended Input voltage: 110 ~ 220 (V) Output power: 3-150 (W) Output voltage 5 (V) Working efficiency 60-90 (%) Output ripple noise: 50-300mv Output voltage accuracy 3 (%) Voltage regulation rate 3 (%) Load adjustment rate 120 (%)