... quality parameter : ModelYK19Input voltageAC100-240V, 50/60HzOutputOutput connector5.5 X 2.1mm/Other, 120cm/optionalOutput voltage3-24V + / - 5% ... : automatic recoveryInsulationInsulation strength1500VAC/10mA,1MINInsulation resistance≥30MΩ,DC 500VEnvironmentWorking temperature0°C~40°C,10%~90%RHStore ... 200pcs/ctn, 52*32.5*32cm, Power supply unit is suitable for computer, radio, Walkman, TV, electronic ...