The Alula Connect-XiP Hardwired Siren is a hardwired, self-contained 12VDC speaker siren siren with yelp and steady dual tones. Designed for both steady/yelp siren alarming as well as voice playback, reducing garbled playback on vocal zone announcements and/or custom deterrence alarms. Powered via two-wire low-voltage 12VDC with selectable yelp (Red +) or steady (Yellow +) tones with an output loudness of 108dB at 1m away with a minimal 500mA draw. Package includes siren and mounting screws. Back plate includes knockouts for wiring outlet (1 on back plate and 3 on cover).