The 2GIG 2GIG-CO100-345 345MHz Carbon Monoxide Detector combines an electrochemical CO sensor with a wireless transmitter to provide monitored carbon monoxide detection for compatible 2GIG security systems. It provides alarm, tamper, low-battery, and end-of-life notifications along with an 85 dBA sounder, 10-year sensor life, and 10-year battery life.

• Electrochemical CO Detection — Uses an electrochemical carbon monoxide sensor with a 10-year sensor life and end-of-life monitoring for long-term detection.
• Wireless 345 MHz Communication — Transmits alarm, tamper, and battery condition messages to compatible 2GIG panels with a wireless range of up to 350 feet in open air.
• Audible & System Alerts — Built-in 85 dBA sounder provides local notification while the security panel can monitor alarm, tamper, and low-battery conditions.
• Long-Life Battery Operation — Powered by two AAA alkaline batteries with up to 10 years of battery life and a 70-minute supervisory transmission interval.
• Durable Installation Design — Tamper-protected housing measures 4.72" D × 4.13" W × 1.77" H and operates from 32°F to 120°F with 15% to 95% non-condensing humidity.

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