Compact and lightweight battery-powered CO alarm provides essential protection against the dangers of deadly carbon monoxide and provides continuous monitoring of CO levels.
Continuous monitoring of carbon monoxide
Multi-function green and red LEDs to indicate power and alarm status
End-of-life alarm alerts user to replace alarm after a minimum of 10 years’ protection
Test/Reset button to allow regular testing of alarm function
Battery operation – 2 x AA alkaline batteries supplied as standard
This small, 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.
Certified to the latest EN50291-1:2018 Standards
Features
Model K5CO
Power Supply 3 x AA batteries (as supplied)
Temperature Range 0˚C to 40˚C
Humidity Range Up to 90% relative humidity (RH) non-condensing
Storage and Transport -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing
Alarm Dimensions 126 x 72 x 35mm
Alarm Weight 115g
Warranty 7 years
Approvals BSI certified to EN50291-1:2018 Standards
CE tested and certified
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See what sets us apart from other electrical retailers.
Family-Run Since 1982
Fast UK Delivery
Official Ring & Eufy Distributor
30,000+ Products in Stock
Expert Advice Available
Birmingham Showroom
OTHER RETAILERS
The SND Electricals Difference
We've spent decades building a reputation for quality stock, fair prices, and exceptional service.
Birmingham-based team
Call us Monday to Saturday for anything you need.
Genuine branded products
We stock over 30,000 items from trusted manufacturers.
Quick UK delivery
Most orders dispatched within 1-3 working days.
Family business
70+ years of experience supplying electrical products
GOT QUESTIONS? WE’VE GOT ANSWERS
If you need more information, you can find it right here.
Standard delivery takes 3-7 working days, or you can choose speedy delivery (£8.95) for 1-3 working days. Orders over £85 qualify for free standard shipping to UK mainland addresses. We'll email you when your order is dispatched with tracking details.
Yes, you can track your order using our tracking tool – just enter your order number and email address. We'll also send you tracking information by email once your order has been dispatched. For Parcel Force deliveries, you'll receive a text or email on the morning of delivery with a 1-hour time slot.
Absolutely. Please call our trade counter and speak to one of the team.
Contact us as soon as possible if your order arrives damaged. When you receive your delivery, check the package condition before signing. If there's visible damage, let us know straight away. For faulty items, you may need to repurchase while we inspect the returned item, then we'll offer a refund or replacement if it meets our returns criteria.
Yes, we stock over 30,000 genuine branded products from leading manufacturers. We're official distributors for Ring and Eufy, and we carry brands including Crabtree, Garmin, Ener-J, Dahua, Lithe Audio, Retrotouch and many more.
Yes, we do. For most orders placed before 1 pm, we aim to dispatch the same day. This applies to weekdays and not weekends.
Yes, we offer free collection from our Birmingham store at 23-25 Constitution Hill. You'll need to bring ID (passport, driving licence or work card) and sign for your collection. If someone else is collecting on your behalf, they'll need a copy of your ID too.
We deliver to UK mainland, Scottish Highlands, Northern Ireland, Isle of Wight, Isle of Man and the Channel Islands (Jersey and Guernsey). Non-mainland UK deliveries cost from £14.95 and take 2-3 working days. We don't currently deliver to the Republic of Ireland.
Yes, you can call us on 0121 236 5012 for electrical products or 0121 236 6999 for lighting. We also offer chat support between 9:30am and 5:00pm. Our team is here Monday to Friday 8am-5pm and Saturdays 8:30am-4pm.
You can cancel your order within 14 days of delivery. Email lighting@sndelectrical.co.uk (for lighting) or internet.orders@sndelectrical.co.uk (for electrical goods) with your order reference. Items must be unused, in original packaging with no damage, and returned at your own cost using a tracked courier service. We'll refund you within 30 days, minus original postage costs. Note: custom-made items like specially manufactured chandeliers can't be returned.