The Hoyles Exitguard is designed to deter and stop the misuse of emergency exit doors. This emergency exit door alarm is the ideal solution for the security of your fire exit doors. An integral high-power 105dB sounder is activated when the door is opened to warn those in the vicinity that security of the door has been compromised.  The Exitguard fire door alarm can be supplied in battery, 12vdc and mains powered versions. The tamper feature includes sounder reduction via the keyswitch and is configured in such a way that the alarm can be set even if tamper security has been breached.Features:Keyswitch ControlHigh Power 105db SounderAuto Re-arm & Reset Delay (variable)Default Door Open Too Long Default delay 0 OR 15 secondsVisual Alarm IndicationBatteries (where applicable) and door contact suppliedTamper SwitchSeparate Tamper Tone with Manual ReductionBattery Fault Monitor (EX104 & EX106)Chime FacilitySelectable Alarm TonesSimple Function Change by Internal JumpersDimensions 175 x 125 x 60 tapering to 50mmSupplied with full fitting instructions, including wall fixings, batteries, door contact, 1 metre of cable and door warning label.Exitguard Exit Alarm models:EX104G is battery powered - Use where a separate supply of power is not available and the protected door is opened infrequently. Depending on usage the 6 x AA batteries supplied can last up to 3 years. The Exitguard will continue to function for at least two weeks after a battery fault indication.EX104GT is battery powered – This model provides key trapped in the off position.EX105G is 12vdc powered - Use where the protected door may be opened frequently or the sounder may need to sound for a long time. There is an alarm output relay for connection to remote systems.EX105GKM is 12vdc powered with Key Monitoring - This model provides a key position monitor switch output.EX105GTKM is 12vdc powered with Key Trapped in off and Key Monitoring - This model provides a key position monitor switch output and is also trapped in the off position.Power supply available separately. This version cannot be powered from batteries.EX106G is mains powered - Use where the protected door may be opened frequently or the sounder may need to sound for a long time. Six AA batteries are supplied to provide power in the event of mains failure. The integral power supply will also provide up to 200ma at 12vdc for ancillary equipment such as remote indicators and sounders.