2-in-1 Smoke & Fire Alarm, Hardwired, non-replaceable, 10-year lithium backup battery: Item No. USI/SM/HW10YR/P & USI/SM/HW10YR/P/3
- USI 2-in-1 Smoke & Fire Alarm, Hardwired, non-replaceable, 10-year lithium backup battery Product Details for USI/SM/HW10YR/P & USI/SM/HW10YR/P/3
- USI 2-in-1 Smoke & Fire Alarm, Hardwired, non-replaceable, 10-year lithium backup battery Setup Guide for USI/SM/HW10YR/P & USI/SM/HW10YR/P/3
- USI 2-in-1 Smoke & Fire Alarm, Hardwired, non-replaceable, 10-year lithium backup battery Troubleshooting Guide for USI/SM/HW10YR/P & USI/SM/HW10YR/P/3