... 2 years model: SMT-40900D (0-10v dimming Waterproof Constant Current LED driver) We give 2 years warranty Features:• waterproof rate ... ,protected environment• working mode with 0-10V / 1-10v Dimming • High stability and low ripple, increase light efficiency and ... , Networks, Vehicle Lights, Controller Panels, etc. 0-10V dimming LED driver (500mA 700mA 900mA 1400mA 1750mA 2100mA CE UL/cUL SAA) ...