ELV dimming. Dimmable 100–20%. Overload, underload, over-current, short-circuit, and auto recovery protection. Compatible with an array of ELV dimmers that are dimmable down to 20%. 120V 50/60Hz input, 0.15A. 85% efficiency at full load. 350mA constant current output. Power factor of >0.7. UL Class 2 recognized component E256806. 50°C maximum ambient temperature.