... Frequency LCD/LED ONLINE UPS 1,INPUT:110V/220V 2,OUTPUT:110V/220V 3,LCD/LED DISPLAY UPS,high frequency led/lcd upsKey ... power problems Self test while start of the UPS Site wiring fault warning On-battery power-on ... after full load dischargeBypass Automatic Transferon overload and UPS failureBefore UPS Power-onDefault “NO”, user adjustable to “YES ... *400*220192*460*340 High Frequency LCD/LED ONLINE UPS