MTI Industries 65-542-P-WT Safe T Alert Carbon Monoxide Alarm - Flush Mount, White Certified to CSA STD 6.19-01 (R2006); Conforms To ANSI / UL STD 2034 Alarm Point: 400 PPM 4-15 Minutes. Power Supply and Current Draw: 108 mA @ 12 VDC; Low voltage power warning at 7 Volts. Operational Range: 12 Volts +/-15%; Operating Temperature: -40F to +158F Carbon Monoxide Only Alarm Flush Mount Case Size: 6.5'W x 3.5'H x 1.25'D