... in/out 2.Withstands severe environments 3.Stable, no-drif 2,4,6,10,16,32 points 32/42/52/55 ... in/out, display rotation --Withstands severe environments --Stable, no-drift calibration performance --Vandal- and abrasion-resistant screens, ... Range: 0% to 95% RH (no dew falls)AltitudeUp to 3,000mAmbient LightDirect sunlight 90°to ±30° ... / Windows 7/XP//Mac OS 2,4,6,10,16,32 points 32/42/52/55/65 inch multi ...