... approval 4.Warranty:3 years No pulsation waterproof constant current led driver 30w 50w 350ma 700ma 1400ma 2100ma Typical Feature1 ... , OPP, OVP, OTP 5. IP67 waterproof design for indoor and outdoor applications 6. 100% burn-in ... for LED electronic display screen, LED stage lights, LED spot lights, LED bulbs, LED panel lights, LED ceiling lights, LED tubes...etc Parameter CE, RoHS, IP67 Constant Current ...