... 3C,CE,FCC,ROHS,LVD ...certifications . MHG PH25 Outdoor Curtain wall1.Measured by the China ETA Quality Inspection: ... +65 °C (IP65)2.This modle Widely used in advertising, sports,finances, post offices, telecom, commerce, hospitals, sports ... until now. Specifications: LED DISPLAY TYPEPH25 curtain wall (OUTDOOR) Pixel pitch25mmFrame frequency60-85HZPhysical density1600 pixels/m2Refresh rate240-1000HZLED ...