UPS Online Ultra Power 2000VA/1800W RM, RS-232, USB, SNMP Slot, metal case, LCD display2KVA / 1800WForm factor: Rack MountExternal Battery PackDisplay: LCDInterface: RS-232, USB, SNMP SlotThe SNMP card only can take the external one and connect to the RS232Battery: 6pcs 12V7AHInput voltage range: 220V: 115~300VacFrequency: 220V: 40~60Hz, Adjustable by software