Suggested Retail: $29.99. AEGISLINK Smoke and Carbon Monoxide Detector 10-Year Lifespan with Replaceable Battery - The AEGISLINK Smoke and Carbon Monoxide Detector provides reliable double detection and protection with a loud alarm tone of over 85 dB at 10 ft. It features an easy installation process, a cutting-edge photoelectric smoke sensor, and an electrochemical CO sensor for high consistency and reliability. It has a detection range of 215–430 sq. ft, ensuring full protection from dangerous smoke and carbon monoxide. The LCD shows real-time CO concentrations and battery power. The sensors and components have a lifespan of up to 10 years, and the detector includes a replaceable 3-year lithium battery. Brand: AEGISLINK Model: SC200 -- LOT STICKER: TCE-BOX-BOXTCEA0372-ITEM-5ffed05d___LPNPMCM0623908 -- 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.