1xcarbon monoxide detector. Alarm current:<50mA. Red light:Alarm. 10 Year Life Carbon Smoke Monoxide Detector with Battery CO Wifi Warning Sensor. This machine is 433mhz versio n, can be independent alarm.
eBay
【LCD Display 】Carbon monoxide is a deadly breathing gas that you cannot perceive with your natural senses. The LCD of the carbon monoxide detector displays the carbon monoxide concentration when the air contains 30 ppm.
eBay
This CO alarm is not a substitute for a smoke or fire alarm. End-of-life alarm. Battery operation. Test/reset button.
eBay
Smartwares FGA-13041 Carbon Monoxide Detector, 10 Year Sensor. Effective protection against carbon monoxide (CO): this detector, with a range of between 20 and 40 m², is equipped with an electrochemical sensor capable of detecting CO in the air, even in small quantities (about 27ppm).
eBay
Low battery alarm. Loud, piercing alarm tones – over 85 decibels. Function test and alarm stop button. 1 Alarm (3 AA LR6 1.5V alkaline batteries, this product does not contain batteries!)., 1 User manual.
eBay
PROSAFE LCD Digital Display Battery Carbon Monoxide Alarm 10 Year Life
eBay
Excel Shortcuts Cheat Sheet Office Mouse Pad Keyboard Mats Desk Giant Practical. 100ml Table Tennis Ping Pong Glue Long-lasting Rubber Adhesive Glue Brush Set UK. 1 x CO detector. Bass Strings 45-105 Nickel Plated Steel Nanoweb Coating New.
eBay
Unique water-based Kidde CO Electrochemical Sensor. Continuous monitoring of carbon monoxide. End-of-life alarm alerts user to replace alarm after 10 years of protection. This slim, easy-to-use alarm is ideal for use in all living areas and can be installed on a wall or ceiling or used freestanding on a table or shelf.
eBay