AVENAR all-in-one 4000 Effective alarming: EN 54-3 and EN 54-23 certifiedUninterruptible alarm signaling, even in LSN stubEasy and cost efficient installation and replacementUp to 84 elements per loop, up to 127 if operated without detectorFor combination with any detector of AVENAR detector 4000 series Product Variants AVENAR ALL-IN-ONE 4000 Acoustic/visual alarm wh, wh AVENAR ALL-IN-ONE 4000 Acoustic/visual alarm rd, wh AVENAR ALL-IN-ONE 4000 Acoustic/visual alarm wh, rd AVENAR ALL-IN-ONE 4000 Acoustic/visual alarm rd, rd Accessories AVENAR ALL-IN-ONE 4000 Battery for AVENAR all-in-one 4000Battery pack for AVENAR all-in-one 4000, 10 battery packs per order unit. AVENAR ALL-IN-ONE 4000 Cover white for AVENAR all-in-one 4000white cover for AVENAR all-in-one 4000, 10 covers per order unit. AVENAR ALL-IN-ONE 4000 Cover red for AVENAR all-in-one 4000red cover for AVENAR all-in-one 4000, 10 covers per order unit.