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 Control High Power 105db Sounder Auto Re-arm & Reset Delay (variable) Default D oor O pen T oo L ong Default delay 0 OR 15 seconds Visual Alarm Indication Batteries (where applicable) and door contact supplied Tamper Switch Separate Tamper Tone with Manual Reduction Battery Fault Monitor (EX104 & EX106) Chime Facility Selectable Alarm Tones Simple Function Change by Internal Jumpers Dimensions 175 x 125 x 60 tapering to 50mm Supplied with full fitting instructions, including wall fixings, batteries, door contact, 1 metre of cable and door warning label. EX106R 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.