Check the listing for details. First Alert Battery-Powered Electrochemical Carbon Monoxide Detector 1 pk. Color: White, Condition: New. Listed at 32.99 USD. 11 BATTERY OPERATED CARBON MONOXIDE ALARMFeitCarbon Monoxide DetectorElectrochemical SensorWhiteBattery PoweredTest and or Reset ButtonWHAT'S INCLUDED: Alarm, 9V battery, mounting bracket & hardware, manual1 pkThe First Alert carbon monoxide alarm utilizes an electrochemical carbon monoxide sensor to detect carbon monoxide.. The battery-powered design of this personal carbon monoxide detector means your space can be monitored for dangerous carbon monoxide gas,. Simply insert the included 9-volt battery and the carbon monoxide detector is ready to go. When CO levels become elevated, a loud 85-decibel alarm alerts you to the threat. Designed to be simple to use, the CO detector has just one button that silences or tests the unit, as well as an end-of-life timer that lets you know when it is time to replace the device.CO detector alerts you to elevated levels of carbon monoxide.Electrochemical CO sensor is most accurate technology available.Battery-operated design works almost anywhere.Loud 85-decibel alarm sounds when CO levels are elevated.Single test/silence button for simple operation.5-year Limited WarrantyPlease email with any questions! Will be happy to combine purchases going to the same address, please request combined invoice at the end of your order. Bradley Hardware is a full size hardware store. If you have a hardware need and don't see it or if need more than the quantity listed here at our online store, please contact us and we'll try or best get it for you. Please note: The photo of the product is for reference only and not a photo of the actual item. The item you will receive will be factory sealed and may be packaged different. Terms and Conditions Michigan residents must by 6% sales tax as required by law. SHIPPING: All items ship via USPS, FedEx or UPS within 2-3 business days of receiving payment, however we are not responsible for transit time and delays. Please remember: Shipping & Handling is more than just postage. It includes the time, effort & materials associated with the preparation & arrangement of shipment. In order to save you money we combine shipping on orders with more than one item whenever possible. Please contact us with any questions. Return Policy: We accept return items for refund, credit, or exchange. A return must include all original items undamaged, in re-saleable condition, along with all original packaging including manuals, warranty forms, etc. Shipping and handling fees are not refundable. Buyer is responsible for shipping costs incurred shipping products back to us. Please contact us before shipping an item back. Thank you! *****All Batteries Expiration Dates Expire at least 1 Year from Now***** Warning. Everything sold into the state of California contains agents known to the state of California to cause cancer and birth defects, reproductive harm, or other, as yet unnamed, harm to its citizenry.