The 40 Series backup alarms are a flush mount alarm that fits into any 40 Series round hole and requires no tools for installation. They utilize industry standard grommets and pigtails. The alarms are well suited for applications requiring a compact profile. The units supplied by APS are all in Kit form and include a grommet and pigtail kit.
, Dia: 4.32 " (109.7 mm)
Preco 40 Series Back-up Alarm Flush Mnt 97 Db 12V Kit
Preco 40 Series Back-up Alarm Flush Mnt 102 Db 12-24V Kit