![Mini Carbon Monoxide Alarm, Carbon Monoxide Detector with Digital Display and Sound Alarm, (Battery Not Included), Suitable for Home, School, Office in Accordance with EN50291 : Amazon.co.uk: DIY & Tools Mini Carbon Monoxide Alarm, Carbon Monoxide Detector with Digital Display and Sound Alarm, (Battery Not Included), Suitable for Home, School, Office in Accordance with EN50291 : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/I/617B5C5iUkL.jpg)
Mini Carbon Monoxide Alarm, Carbon Monoxide Detector with Digital Display and Sound Alarm, (Battery Not Included), Suitable for Home, School, Office in Accordance with EN50291 : Amazon.co.uk: DIY & Tools
![If your CO alarm chirps every 30 seconds, it's not an emergency but you should replace the CO alarm a.s.a.p. - Fire Line If your CO alarm chirps every 30 seconds, it's not an emergency but you should replace the CO alarm a.s.a.p. - Fire Line](https://fireline.seattle.gov//wp-content/uploads/sites/21/2020/03/co_alarm3-1024x682.jpg)
If your CO alarm chirps every 30 seconds, it's not an emergency but you should replace the CO alarm a.s.a.p. - Fire Line
![RF-SM-DC - smoke detector chirping, smoke detector sound - Battery Operated Wireless Interconnect Smoke Alarm RF-SM-DC - smoke detector chirping, smoke detector sound - Battery Operated Wireless Interconnect Smoke Alarm](https://images.carriercms.com/image/upload/w_350,h_350,c_scale,dpr_3.0,q_auto,f_auto/v1549711984/kidde/products/smoke-alarms/kidde-smoke-alarm-battery-wireless-RF-SM-DC.jpg)