... DC 40-60V, 60-90V, 90-120V can optional Current: 300mA IP66 Constant Current LED DriverInput: AC 100-265V 50-60HzOutput: DC 40-60V ... energy saving, environmental protection.3.Constant output current, low ripple. LED used to ensure security, stability, enhanced LED light effect, reducing the lumen ... before shippment: if necessary, we also will provide technical support. Constant Current LED Driver