X3-System Sensor COSMO-4W Carbon Monoxide and Smoke r -NEEDS NEW CO2 SENSOR
you get 3 NEVER BEEN INSTALLED. NEEDS NEW CO2 SENSOR. The System Sensor COSMO-4W Carbon Monoxide and Smoke Detector is a reliable and trusted device designed to safeguard your home against potential fires and gas leaks. This unit, available in quantities of 1 or 3, is a crucial component of your home security system. With a new CO2 sensor, this detector will continue to provide you with peace of mind and protection for your family and property.
4 Wire I4 CO/Smoke Detector, 8.5 to 35 VDC, System Sensor #COSMO-4W
4 Wire I4 CO/Smoke Detector, 8.5 to 35 VDC. System Sensor Model #COSMO-4W. Exp Date is Nov 2032. They have never been out of their boxes. Just Received 11-22-2022.