$10 · Carbon Monoxide Sensor

Carbon Monoxide Sensor - New - unwrapped - Battery powered. Bought for use in an RV but works anywhere. There was 2 in the box and I only need one. Bought on AMAZON - at $25 + tax for the pair. First $10 takes the spare one! Details from Amazon in the following link. https://www.amazon.ca/Monoxide-Digital-Detector-Security-Included/dp/B09YH3P7WL/ref=sr_1_17?crid=3S38F2RX6BUUG&dib=eyJ2IjoiMSJ9.rDxAIotzjNjYhktcjh83wOumaOpOeDvpS0-waiDMOKv-5VkSJMuhmbJiOa3BzJgzfcFe_YyNeOcW77u8f1PdiN-1AHE0xRq-KHjyDI8VCEYCN4F7yzKZB7lQqhIUzYtymY8Lcd8zPWUpn_9LO6xBTHF-X9hm7NA-_Q7pEDo3WhyV-yAn6he1xt6WyFRropSWbdZ60GkOF7DaYHjjnPVu_PJiil-0PefrhX6Vt25gOkMzGY9bzuTKR6TNzxpZJ948Hp9Ke0S3e01o0pHIIXFVN506T45ctjQ9pdwIdJMwd48.67YS5LDAWGgL0ZwHKBNvx87wBTNxJ9PpSfOvx0vF1_Y&dib_tag=se&keywords=co+sensor&qid=1766111549&sprefix=co+sensor%2Caps%2C244&sr=8-17