Environment temperature: Working :-20 +50 Storage:-40 +85 Relative humidity:¡Ü95% Thickness of display:¡Ü150mm+maintaining thickness(800mm) Cabinet weight 18kg/unit. Power: Working voltage: AC 220/110V¡À10% Average consumption: 1000W/Sq.M Max consumption: 2000 W/sq.m. Control system: Mainframe: Pentium Memory: ¡Ý256M OS: WIN 98/WIN 2000/WIN XP/ECT Control way: synchronism VGA device: DVI Driving Equipment: consant driving equpment only for LED products. Driving way: Constant driving 1/4 scan Refresh frequency: ¡Ý180Hz Frames change frequency: greater than 60Hz Brightness: ¡Ý2600 cd/m2 Mode of Brightness adjustment: through sorftware. in a range of 0-100 degree Signal of Video: PAL/NTSC Video Mode of output: DVIVGA Hardware for control systemDVI card/ Video processing unit+full color control card Cat.5 communication cable(without relay) not over 130m; Multi-mode optical fiber: 500m; Single-mode optical fiber: 10km-20km MTBF: ¡Ý5000hours Lifespan: greater than 100,000 hs Neat degree: Each pixel to the next one. Products Advantages 1) Price Advantage: we have the best competitive price in the market, also better quality. 2) Performance Advantage: Best Equality, high consistency, Big viewing angle, 3) Quality advantage: From material to finished product, from design to produce, we control all steps. That's the guarantee of the quality and reliability. 4) Service advantage: Better service in the same situation, better cooperation in the same service. LENGTH:768mm WIDETH:576mm HIGHTH:80mm WEIGHT:20KG.