This is a compact LED driver with a magnetic transformer core. It is equipped with one push-to-reset circuit breaker on the output, which protect both the load and driver. The driver is encased in a coated metal box that includes 2 knock-outs on the bottom to enable easy installation that complies with electrical code requirements. Low operating temperature. Acoustic humming and buzzing free. Push-to-reset circuit breaker on output. Works with low voltage TRIAC dimmers. Two bottom knockouts. ETL and CSA listed. UL standard 5085-1.