... pitch angle-35 to 0°, 0 to +35°(pitch), -50 to -8°, +8 to +50°(skew), -20 to 0°, 0 to +20°(tilt):CurvatureR ... EAN128(GS1-128),CODE11,CHINESE_POSTDurabilityTemperature0°to 50°C / 32°to 120°F(operation) ,- 40°to 60°C / - 104°to 140°F(storage):Humidity5 - ... 2, GB7247.1-2001Enclosed itemsCable(USB,RS232/TTL,RS485), User Guide, DC power supply (RS232/TTL,RS485) WNL-2000 Stationary Laser Barcode Scanner