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. 8:Our new concept sun-moon display board: This is a new concept of Advertisement,which show static display in the day time without costing the electricity,at night turn on the display to show dynamic display just like common LED display,so can save lots of electricity,extend the LED life span & protect environment too.