The best-in-class i4 Series combination CO/Smoke Detector is a 2-Wire carbon monoxide (CO) and smoke detection technology in a single, system-connected device.

Specifications

• Alarm Current: 75mA (max.); 54mA (12V In), 32mA (24V In)
• Dimensions Diameter: 6.4 in. ; Width: 6.04 in. ; Depth: 1.00 in
• Mounting 4-11/16 in. square back box or inside a metal enclosure
• Operating Humidity Range 5-95% RH
• Operating Temperature Range 0 – 50° C (32 — 122° F)
• Operating Voltage Nominal: 12/24 VDC; Minimum: 10 VDC; Maximum: 35 VDC (power limited)
• Standby Current 52mA (max.); 36mA (12V In); 20mA (24V In)
• Weight 9.6 oz. (272 g)