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Various
New sealed ring smoke - new,
£18.06
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Kidde smart smoke carbon - &,
£39.20
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Kidde smart smoke co - kidde,
£47.49
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Kiddeaa battery powered ring - kiddeaa, battery-powered
£29.99
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Kidde battery powered ring - kidde, battery-powered
£30.00
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Ring smart smoke - ring,
£43.99
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Kidde rgcudr smart smoke - kidde,
£35.00
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Kidde smart smoke co - kidde,
£66.50
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Kidde rgcudr smart smoke - kidde, rgcudr-rw
£49.99
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New sealed ring smoke - new,
£45.00
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New open box ring smoke - open, smoke/co
£19.59
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Kidde battery powered ring - aa, battery-powered
£49.99
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First alert smoke - alert, carbon
£22.37
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Kidde rgcuar smart smoke - rgcuar-rw,
£34.99
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Kidde smart smoke - smart, and
£39.95
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Kidde rgcuar smart - kidde, rgcuar-rw
£45.00
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Kidde smart smoke and - smoke,
£29.99
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Kidde rgcudr smart - rgcudr-rw, smoke
£42.50
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Kidde battery powered - kidde, ring
£35.99
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Two kidde hardwired - two, app
£67.99
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Kidde hardwired ring app - kidde,
£37.99
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New sealed ring - new,
£25.00
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New sealed ring smoke - ring, smoke/co
£24.99
Buy It Now
Kidde battery powered ring - aa, battery-powered
£34.99
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New open box ring - box,
£21.39
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Kidde smart smoke detector - smoke,
£39.99
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Kidde smart smoke - kidde,
£89.99
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Kidde battery powered ring - kidde, aa
£24.99
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New sealed kidde smart smoke - sealed,
£36.99
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Kidde rgsar smart smoke - smart,
£37.99
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New sealed kidde - 🔴new, aa
£34.45
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Kidde smoke detector smart - smoke,
£86.99
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Kidde rgcudr smart smoke - rgcudr-rw,
£49.98
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Kidde rgsdr smart - kidde,
£64.99
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Kidde smart battery smoke - 2x,
£99.99
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Kidde rgcuar smart smoke - kidde,
£49.99
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Kidde hardwired ring - hardwired, app
£30.00
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Kidde smart smoke carbon - smart,
£38.00
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2gig smoke detector sensor - detector,
£19.99
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Kidde smart smoke - kidde, &
£39.99
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Kidde rgcudr smart smoke - rgcudr-rw,
£39.99
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Kidde smart smoke carbon - smart,
£49.95
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Kidde smart smoke - smart, carbon
£48.95
Buy It Now
Kidde rgcuar smart - rgcuar-rw, &
£42.99
Buy It Now
Kidde battery powered - kidde, aa
£34.99
Buy It Now
New ring smoke listener - new,
£24.00
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Kidde battery powered ring - kidde,
£32.99
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Kidde hardwired ring app - kidde,
£45.99
Buy It Now
Kidde smart smoke co - smart, &
£50.00
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Wired kidde ring - smart, smoke
£34.99
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Kidde ring smart - ring, &
£64.95
Buy It Now
New ring smoke listener for - ring,
£24.00
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Open box new unused - open,
£30.99
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Kidde battery powered ring - aa, battery-powered
£35.99
Buy It Now
Pack kidde rgcudr smart - 2-pack, rgcudr-rw
£77.60
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Kidde smart smoke - smart, alarm
£32.99
Buy It Now
Kidde smart smoke - kidde, carbon
£66.50
Buy It Now
Lot wave dsk - 2!, z-wave
£42.99
Buy It Now
Kidde rgcudr smart - rgcudr-rw,
£48.99
Buy It Now
New ring smoke - smoke/co, for
£23.00
Buy It Now
Kidde ring enabled smart smoke - ring,
£59.99
Buy It Now
Kidde smart smoke carbon - kidde,
£48.00
Buy It Now
New sealed ring alarm smoke - new,
£24.95
Buy It Now
New sealed ring smoke - new,
£24.99
Buy It Now
Kidde smart smoke - kidde,
£56.06
Buy It Now
Kidde smart smoke and carbon - smart,
£68.78
Buy It Now
Pack kidde ring - smart, smoke
£60.00
Buy It Now
Kidde smart battery smoke - battery,
£62.64
Buy It Now
Kidde ring smart - smoke, &
£59.00
Buy It Now
Kidde smart smoke co - &,
£49.99
Buy It Now
Lot kidde smart smoke - kidde,
£99.00
Buy It Now
Kidde rgcuar smart - kidde, &
£36.99
Buy It Now
Kidde rgsdr smart smoke - rgsdr-rw,
£35.00
Buy It Now
New kidde rgsdr smart smoke - kidde,
£44.99
Buy It Now
Pack battery kidde smart - , battery-
£68.00
Buy It Now
New kidde rgcuar - rgcuar-rw, smart
£46.99
Buy It Now
New ring smoke listener for - ring,
£20.00
Buy It Now
New open box - new, smoke/co
£25.07
Buy It Now
Pack kidde ring - pack, enabled
£87.95
Buy It Now
Kidde rgsdr smart - smart, smoke
£40.95
Buy It Now
Kidde battery powered ring - kidde, battery-powered
£54.95
Buy It Now
Kidde wired smart smoke - smoke, alarm
£32.00
Buy It Now
Kidde rgsdr smart smoke - rgsdr-rw,
£29.99
Buy It Now
Kidde smart smoke carbon - smoke,
£39.99
Buy It Now
Kidde rgcuar smart - rgcuar-rw, smoke
£36.99
Buy It Now
Brand new ring - box),
£18.00
Buy It Now
Battery powered smart smoke - smart,
£86.06
Buy It Now
Kidde rgsar wired battery - wired, +
£29.68
Buy It Now
Kidde smart smoke - kidde,
£28.99
Buy It Now
Kidde hardwired ring - hardwired, app
£39.99
Buy It Now
Kidde hardwired ring - kidde,
£53.99
Buy It Now
Kidde smart smoke detector - kidde,
£65.00
Buy It Now
Kiddie smart smoke alarm - kiddie,
£42.69
Buy It Now
Kidde rgsdr smart smoke - kidde,
£24.99
Buy It Now
Kidde smart smoke carbon - smoke, &
£40.00
Buy It Now
Kidde smoke alarm - smoke, i4618ac
£34.00
Buy It Now
Looking for more ring smoke detector?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 ring smoke detector listings currently in our index. Prices range from £18 to £99.99, with an average of £43.87. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about ring smoke detector →
Try this: dicon carbon monoxide alarm | fireangel st-620 replacement | emergi lite fire panel | pews | fire alarm sounder | ei166rc | carbon monoxide | cold alarm | mains carbon monoxide detector | fire alarm system
Whether you are looking for a brand-new or second-hand ring smoke detector, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £18, while premium listings can reach £99.99 — giving you a wide budget spread to work with. The average price of £43.87 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.