Pitch: 7.62mm Unit box size: 976mm* 976mm Display brightness: greater than 1,300cd/m Brightness adjustment: 256 grade manual and eight grade automatic Drive mode: constant current driving 1/8 scan Viewing angle: greater than 160 degrees (left and right viewing angle) Viewing distance: 20 to 150m Grade scale: recommended 4096 level Display color: 64G colors Exchange frame speed: greater than 60 frames/second Refresh frame frequency: 240Hz Screen body power consumption: 570W/m Average: 300W/m Screen body weight: less than 42kg/m Control distance: 120m (without relay) MTBF: >10,000 hours System working environment temperature: -20 to +60 degrees Celsius System working environment humidity: 10 to 95% System operating platform: Windows 98, 2000 and XP Connector: America AMP Glue: high-quality