UNIVERSAL USI SMCO HW10YR P 10-Year Combo Smoke CO Alarm Instruction Manual
3-in-1 Combo Smoke, Fire, and Carbon Monoxide Alarm, Hardwired, 10-year Battery Backup Instruction Manual Thank you for purchasing this Combination Smoke/CO alarm USI/SMCO/HW10YR/P. The CO function is single-station only, and the smoke function is multi-station when interconnected. This model is…