... adjustableCharacterChinese, Japanese,English,etc.FontAny font and sizeTouch panelMatrix and resistor touch modeKeys26 function keysScreen2MB FlashROMData1KB SRAMDownload portRS-232Communication portRS-232 ... than 1s )Withstand voltage shockAC1000V, 20mA less than 1 minuteInsulated resistor>10M, DC500VOperate temperature0~50C degreeStorage temperature-20~60C degreeHumidity10%~90 ...