High refresh rate LED display screen. 1. Refresh rate: more than 1000-2000Hzs, normal panel refresh rate: 300 hzs. 2. More smooth of display, without any scanning lines through camera 3. Driving IC: MBI 5042. 4. The display effect while using Opto/EPISTAR chips with high refresh rate is even better than Cree in normal refresh rate display, but the price is 35-40% off than Cree chip cost. Patented design: 1:High brightness and Energy saving: saving 50% power. Example: P20: average 140w/sqm & others: 400w-800w/sqm. 2: Light weighted design: 50% less weight. Example: P20: 36kg/sqm & others: 56-60kg/sqm. 3. Patent cabinet material:Special Industrial Plastic material with aluminum cover, Advantages of cabinet: 1.UV resistance ld resistance 3.resist Tensile 4.Acid and alkali resistance 5. flame-proof and fire-retardant 4: Uniform and ultra thin cabinet size: all pitch with same cabinet: 480mm*480mm and ultra thin: 8.5 cm without handle. 5: Patented FOOL installation and customers said that our products are "maintenance free products” 6: Ingress protect: IP66 (can be soaked in water three meters for half hour) 7. Good ventilation: no need fan inside.