... . Protections: SCP, OPP, OVP, OTP YSV-20 Series (Constant Voltage Type)Waterproof LED Driver 20W(12/24VDC)Typical Feature1. 3 years warranty2 ... range 90~264VAC4. Protections: SCP, OPP, OVP, OTP 5. IP67 waterproof design for indoor and outdoor applications6. 100% burn-in tests ... green,low-carbon,erergy-saving,favorable world! 20w constant voltage waterproof LED transformer 24v