3-in-1 Combo Smoke, Fire & Carbon Monoxide Alarm, Hardwired/Replaceable Battery Back-Up: Item No. USI/SMCO/HWREP
- USI Combo Smoke and Fire & Carbon Monoxide Alarm, Hardwired/Replaceable Battery Back-Up Product Details for USI/SMCO/HWREP
- USI Combo Smoke and Fire & Carbon Monoxide Alarm, Hardwired/Replaceable Battery Back-Up Setup Guide for USI/SMCO/HWREP
- USI Combo Smoke and Fire & Carbon Monoxide Alarm, Hardwired/Replaceable Battery Back-Up Troubleshooting Guide for USI/SMCO/HWREP