2.4G Smart Smoke And Carbon Monoxide Detector Combo With Digital, 1 Pack Product Features REAL TIME NOTIFICATIONS - Smart WiFi Smoke and Carbon Monoxide Detectors offer smart protection, and once your phone is connected to the alarm, you'll receive real-time notifications on your smartphone whenever an alarm is triggered. CONTROL ON YOUR PHONE - Combination alarms connect to your phone via an app, so you can set up scenes or view alarm status on your phone. 2-IN-1 PROTECTION - This combination smoke detector and carbon monoxide detector features dual sensors that detect both smoke and carbon monoxide for two types of protection. An audible alarm greater than 85dB sounds when a hazard is detected. CLEAR DIGITAL DISPLAY - The combination smoke detector and carbon monoxide detector comes with a clear digital display on which you can see the different statuses of the alarm such as power level, silence and alarm type. Note that the screen will not display any values when the carbon monoxide concentration is below 30PPM. 3 LED INDICATORS COLORS - The smoke detector carbon monoxide detector combo has 3 LED indicator colors, red for alarm, green for normal, and yellow for falut. QUALITY ASSURANCE - The combination smoke and CO alarm conform to UL 217 and UL 2034 standards and has a detection range of 40m. In addition, we offer you a warranty of up to 3 years and 24-hour after-sales customer service to help you solve your problems. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!