... effectively avoid damage to BUS caused by construction. 2. LCD in Chinese. 3. Built-in large capacity data EEPROM, ... ,temperature ,overvoltage ,under-voltage ,over-currentCapacity: 16/32/64/128Working voltage:AC220V±15% /50HzPower consumption:≤10WCommunication mode: HBUS bus ... XE3112SL,XE3112SWL,XE3112H,XE3122,XE3123, XE3124,XE3125, XE3126 128 point graphic display electrical fire alarm control panel