Orion Series 4Z Conventional Fire AlarmComplies to IS 2189:1999 & Tested by ERTL (N) & System Sensor2 x 16 character Backlit LCD Display (4 x 20 Character, Optional)64 128 256 Events Logging Facility With Real Time Clock & Keypad2 Wire Communication facility via RS 485 PortBMS AttachmentLamp Test features.Complete With Integral Power Supply & Battery Charger For SMF BatteryNONC Contacts For Both Fire & FaultSwitches To Enable On Bboard OperationLCD and LED Indication For Open12 Months Warranty.