Suggested Retail: $57.73. Kidde Hardwired Smoke & Carbon Monoxide Detector AA Battery Backup Interconnectable LED Warning Light Indicators 6th Edition Alarm - The Kidde Hardwired Smoke & Carbon Monoxide Detector model 900-CUAR is a combo alarm that detects smoke and carbon monoxide gas. It operates through your home's wiring with 2-AA batteries providing backup during power failure. Features include self-testing components, photoelectric sensing technology for visible fire particles, electrochemical sensor for carbon monoxide, and an 85-decibel alarm sound with flashing red LEDs. A Smart-Hush button silences the unit for approximately 8 minutes. It is UL Certified with a 10-year limited manufacturer's warranty. Brand: Kidde Model: ‎900-CUAR -- LOT STICKER: TCE-BOX-BOXTCED0048-ITEM-4c4ecee6___LPNRRHF4753913 Kidde Hardwired Smoke Carbon Monoxide Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.