The Ei167RC from Aico is a mains powered remote sounder that has the added advantage of an integral tamper-proof lithium cell battery back up which operates in the event of a mains power failure.  The lithium cells have a ten year life span and are designed to outlast the sounder unit whilst offering peace of mind in the knowledge that the battery will provide up to six months of sounder operation without any mains power. Features and BenefitsSimple and quick installation is aided by use of the easi-fit base.As the sounder is fitted onto the base both mains power and battery power is connected.Remote Control allows this sounder to be remotely operated using a Test/Hush/Locate Switch (Ei1529RC) or a Manual call Point (MCP401RC)When this sounder is connected to other Aico alarms it enables the whole system to be controlled remotelyA green light will indicate the mains power connection is operationalA red light flashes to indicate that a self test has been completedWhen in test mode the alarm will emit a full alarm sound to test the systemWhen interconnected, the triggered alarm unit will flash and all units on the system will triggerWhen the battery required replacing the unit will beep every 40 seconds Technical SpecificationThe unit has CE certification to show compliance with BS EN:60065:1994, Low VoltageThe unit also meets BS EN50081-1:1992 and BS EN50082-1:1992 Electromagnetic CompatibilityThe sounder uses mains power and has a rechargeable vanadium pentoxide lithium standby battery capable of lasting 10 yearsThe battery will power the unit for up to six months in the event of power failureThe lithium cells carry the manufacturer's warranty for a minimum of 10 years life expectation