This is an excellent quality UL Listed 12v 8.33A 100W Triac dimmable power supply with 0-10v/1-10v/10v PWM/Potentiometer capability. It can be used as Traic dimmer or 0-10v dimmer. Compatible with most AC wall dimmer including Lutron, Leviton and most other household dimmers. Can be used for many LED lights and other applications. 10% minimum load. Warning: Do not overload. Overload will cause the power supply to fail. We are not responsible for the misuse of the power supply. It is recommended not to exceed 80% or 80w of AC adapter's capacity. Please calculate your load before connecting the power. Specification: Output Frequency: 50/60HZ Output Current: 8.33A Output Voltage: 12V Input Voltage: 110V-277V Size dimension: 8.5" x 3.65"x 1.6" Weight: 2 lb 15 oz Package content: 1 Piece UL Listed 12V DC 8.33A 0-10v dimmable Power with junction box build-in