UltraGuard® offers the most advanced and reliable system carbon monoxide detectors on the market. UltraGuard® CO detectors have the lowest current draw, which makes them suitable for a wide range of commercial and residential applications. Detectors operate automatically on either 12 or 24 volt power supplies (no additional configuration required). UltraGuard® detectors employ the most reliable CO sensing technology. Detectors can be fully supervised for power and faults. Can communicate with any existing fire or alarm/security panel. The detectors are easily installed on either ceiling or wall using conventional wiring. Universal mounting plate that is compatible with the standard gang boxes is included. UltraGuard® detectors are UL Listed to UL2075 & UL2034 and MEA approved No 12-05-E.