Accepting 120–277 Vac universal input, 39 W Model LED39WPR provides selectable output current from 190–700 mA by plugging in appropriate register. No computer workstation or software tools are required for programming. Unit includes 0–10 V dimming and offers flicker-free output. Housed in metal case, constant current driver delivers optimal thermal performance in dry or damp locations. Thermal sensor can be added to roll back output under hot conditions.