The KSPOWER's ET - phase dimmable led driver is one metal iron case Class 2 constant voltage mode power supply with IP20 rated for indoor lighting use. ELV/MLV Dimming. 20W-96W PWM output voltage 12Volt and 24Volt options. 3 Years warranty. ETL cETL CE listed. smooth dimming. Protections for short circuit, over load, over voltage and over temperature. Competitive price. High PFC ＞0.9 with junction box makes pwm dimming driver the power solutions for LED strips, LED sign, cabinet lights, billboard and landscape lighting.