1.Professional use for indoor various events. 2. Exquisite design with die-casting aluminum, slim, thickness only 65 mm, super lightweight 4 kg for unit cabinet of 500x500mm, fast lock, easy and quick to assemble and disassemble. 3.Scientific cabinet size of 500x500 mm, can build any sizes freely according to the different needs of events. 4.The SMD (3-in-1) LED package provides wider viewing angles and extremely close viewing distances. 5.Advanced video processing produces crystal-clear, detailed images with smooth motion reproductions. Model: p2.84 indoor Pixel pitch:2.84 mm LED Chip: Nationstar SMD 2121 black (Best led lamps) IC:MBI 5153 (Best IC brand and model) Refresh Rate: 4800 HZ Resolution: 123,983 dots/m² (Super HD) Brightness: 1000~1200 nits Viewing distance: 1 meter ~500 meters Lifespan: 8~10 years Unit panel size: 500 x500 mm Unit panel weight: 4 Kg Huaxia Luster is a global leader in LED video display technology that develops, manufactures, and markets LED video display solutions for multiple indoor & outdoor applications, media and entertainment events, and sports arenas across the globe. With numerous technological breakthroughs to our name, Huaxia Luster is a multi award-winning leader in the LED video display industry that holds itself with the highest standards of quality. Huaxia Luster employing the most advanced technology, the highest quality manufacturing facilities, and world-class, round-the-clock technical support, Huaxia Luster satisfies customers on every major continent and captivates the imagination of millions. Publicly traded company, stock code 835252,financially stable ! CE,RoHS,EMC,TUV,ETL,ISO9001,ISO14001,FCC- Compliant. Keeping your budget in mind and delivering excellent return on investment, choosing a Huaxia Luster LED video display means you're choosing wholesale price, excellent return and reliability for you.