More Accurate with Intelligent Technology: This hardwired smoke and carbon monoxide detector combines an advanced photoelectric smoke sensor and a Figaro electrochemical CO sensor to detect smoke from smoldering fires and dangerous CO levels quicklyHardwired Alarm with Replaceable Battery Backup: This combination smoke and carbon monoxide detector is AC hardwired with a 9 V battery backup, so the alarm can continuously monitor for smoke and CO even if there is a power outageInterconnects Up to 24 Units for Full Coverage: You can connect up to 24 X-Sense 2-in-1 hardwired alarms, so when one alarm is triggered, all will sound together throughout your homeEasy Installation: All mounting hardware is included for fast and simple installation in minutesPremium Quality: Made from high-quality materials and components, this hardwired combination alarm offers a long lifespan of up to 10 years
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| Model XP04 | Model SC07-W | Model XP01-W | Model SC08 | Model XS01-WT |
| Sensor Type | Photoelectric & Electrochemical | Photoelectric & Electrochemical | Photoelectric & Electrochemical | Photoelectric & Electrochemical | Photoelectric |
| Detection Type | Smoke & Carbon Monoxide | Smoke & Carbon Monoxide | Smoke & Carbon Monoxide | Smoke & Carbon Monoxide | Smoke |
| Safety Standards | UL 217 & UL 2034 | UL 217 & UL 2034 | UL 217 & UL 2034 | UL 217 & UL 2034 | UL 217 |
| Power Source | AC or Back-up battery | 10 Years Builted-in Battery | 7 Years Builted-in Battery | 10 Years Builted-in Battery | Replaceable Battery |
| Interconnection | Hardwired | RF wireless | RF wireless | RF wireless | |
| Item Size | Ø 5.5 x 1.5 in | Ø 5.7 x 2 in | Ø 5.3 x 1.7 in | Ø 5.7 x 2 in | Ø 3 x 1.9 in |
| App Control | | | | | ✓ |
