The KSPOWER HO series - 4 in 1 dimmable led driver provides 0-10V 1-10V resistance pwm dimmable constant voltage single output led drivers with 5 years warranty. The 4 in 1 LED dimmable driver can make the output wattage of MAX 320W and accept 12Volt, 24Volt, 36Volt and 48Volt output voltage optional. The 12v 24v dimmable led driver is Class 2 Class P rated, and both UL/cUL, FCC CE ENEC GS RoHS Listed and SELV style enclosures. The 4 in 1 led bulb drivers is flicker free design and protections for short circuit, over load, over voltage and over temperature. The 4 in 1 dimmable led transformer use low profile aluminum metal housing with IP67 rating environment protection for indoor or outdoor use, with junction box makes 0-10V 1-10V pwm dimming led driver the power solutions for LED strips, LED sign, billboard and landscape lighting. Featuring built-in PFC function more than 0.95 and outstanding led dimming performance.