First Alert SMI100-AC Interconnect Hardwire Smoke Alarm with Battery Backup. Meets industry standards utilizing First Alert's Precision Detection advance sensing technology. This hardwire smoke alarm is easy to install and replace existing alarms with no need to rewire. Plus interconnect compatible alarms to create a whole home alarm system to help provide an early warning.
| SKU | 516721 | UPC | 029054022424 |
| Weight | 0.66 | Package Width | 6.75 |
| Package Length | 8.5 | Package Height | 3.45 |
| Model Number | 1046834 | Brand | First Alert |