... .0 )USB3USB-B ( accord with USB2.0 )EnvironmentOperation temperature50Reserve temperature-20-60Environment temperature20-85% ( no condensation )Withstand oscillation10-25Hz ( X, Y, Z each ... inchUse lifeMore than 50000 hours, 24 hours running when surrounding temperature is 25Resolution800*448ContrastNon-adjustableCharacterChinese, English, Korean, JapaneseCharacter sizeAny size and ...