... light, downlight; 4. 2 years of warranty 500mA Constant Current Led Driver Features:1. Hi-eff with hi-pfc function, can work ... at 40°C below zero;2. Output constant current with multi-channels, or output constant voltage;3. Built-in OCP, OVP, SCP, thermal ... inrush above 4KV;5. Protective grade: IP67;6. The output voltage and current can be customized according to customer's requirements;