Kidde Nighthawk Plug-In Carbon Monoxide Alarm with Battery Backup and Digital Display The Kidde 900-0076-01 Plug-In Carbon Monoxide Alarm utilizes sophisticated electronic components and sensor technology to protect your family from the silent killer, carbon monoxide. This discreet alarm fits into any standard outlet so that it can go anywhere in your home. It features a digital display of CO levels that's easy-to-read, a loud siren that the whole house can hear, and it comes with mounting hardware and a 6-foot power cord for a variety of mounting options that best suit your surroundings. 9-volt battery and installation guide included. · Digital display displays the level of carbon monoxide the unit is sensing · Three convenient mounting options · Plug-in unit with battery backup and digital display that shows CO level · 9-volt battery backup provides protection during power outages · Meets Underwriters Laboratories (UL) requirements for safety standards · Test/Reset Button -Tests unit's electronic circuitry and horn and resets the unit during alarm · Peak Level Button -Displays the peak CO level recorded by the alarm since it was last reset or unplugged · The digital display feature allows for easy viewing of carbon monoxide levels from 30-999PPM (parts per million) àWe Offer *FREE* Quick Fast In a Hurry To Your Door Shipping We Ship FREE to the Lower 48 States Only, I Cannot Combine Shipping. *********************** If you are located outside the United States, please contact us before you make a purchase. Please let us know the item you are considering purchasing along with your Full Address to see if our supplier can ship to your Destination. We will reply with a Shipping Estimation. Calculated: Cost Varies By Buyer Location Free Drug Card With This Order For People Pets Receive Discounts up to 85%, with average savings of 15% on brands and 55% on generics at over 80% of pharmacies in the country. No Medications are Excluded......Your entire Household can use it. No Claims to File ........You can use it even if you have Insurance.