Edwards Signaling 869-WPB 860 Series Electronic Horn/Strobe, Weatherproof Back Box

The 867STR (indoor) and 868STR (outdoor) Series can be surface mounted on the supplied surface box." The 869STR and 869DSTR Series beacons can be flush mounted." They are designed to mount in a standard 4" (102mm) square electrical box with extension ring (total min. depth of 3" (75mm) not supplied.) The 869DSTR Series is Diode Polarized for use in electrically supervised circuits. Main Features Gray, engineered thermoplastic housing Diode Polarized for use in electrically supervised circuits (869DSTR) Versions suitable for indoor and outdoor applications Operating indoor temperature range:" 85% relative humidity at 85F (30C), 32F to 120F (0 to 49C) variable ambient temperature Operating outdoor temperature range:" 95% relative humidity at 86F (30C), -31F to 150F (-35C to 66C) variable ambient temperature