Optical Smoke Alarms
Detect smouldering fires early with WME's Optical Smoke Alarms & Detectors — AICO, Apollo, C-TEC and Ajax photoelectric (light-scatter) optical smoke alarms and detectors, mains-powered with battery backup, 10-year sealed-battery and RadioLINK wireless, plus addressable EN 54-7 detectors for panel systems. Ideal for living rooms, bedrooms, hallways and escape routes.
See the full Smoke Alarms & Detectors range, add Heat Alarms for kitchens, or build panel systems with Fire Alarm Systems.
Shop trusted brands such as AICO, Apollo and C-TEC at WME. For optical vs ionisation and mains vs battery, visit our Help & Support blog.
Save £4.54
Aico Ei146e Optical Smoke Alarm – Mains Powered with Battery Backup – SKU: Ei146e
£ 23 14RRP: £27.68WME Pro Plan priceGet Pro Now£20.36 12% off5 Years Warranty
Save £8.79
Aico Ei3016 Optical Smoke Alarm – High-Performance Sensor – Ei3016, Ei3000MRF Compatible
£ 46 99RRP: £55.78WME Pro Plan priceGet Pro Now£41.35 12% off5 Years Warranty
Save £3.91
Aico Ei650i Battery Optical Smoke Alarm – 10-Year Lithium, AudioLINK+ – SKU: Ei650i
£ 20 15RRP: £24.06WME Pro Plan priceGet Pro Now£17.73 12% off5 Years Warranty
Save £12.03
Aico Ei650iRF RadioLINK+ Optical Smoke Alarm – 10-Year Battery, AudioLINK+ – SKU: Ei650iRF
£ 63 99RRP: £76.02WME Pro Plan priceGet Pro Now£56.31 12% off5 Years Warranty
Save £7.67
Aico Ei660i Multi-Sensor Fire Alarm – Battery-Powered Optical & Heat Detection – SKU: Ei660i
£ 39 40RRP: £47.07WME Pro Plan priceGet Pro Now£34.67 12% off
Save £16.22
Aico Ei660iRF RadioLINK+ Multi-Sensor Fire Alarm – Optical & Heat – SKU: Ei660iRF
£ 85 99RRP: £102.21WME Pro Plan priceGet Pro Now£75.67 12% off5 Years Warranty
Save £1.37
AlarmSense Optical Smoke Detector, 2-wire, EN54‑7, 9–33 V DC, 100×42 mm 55000-390APO
EN54‑7£ 18 38RRP: £19.75WME Pro Plan priceGet Pro Now£16.17 12% off
Save £2.40
C-TEC CA416 CAST Addressable Optical Smoke Detector, EN54-7/17/13, 0.16 dB/m
LPCB Certified£ 32 36RRP: £34.76WME Pro Plan priceGet Pro Now£28.48 12% offFast delivery Tomorrow, 10 Jul
Save £1.11
C‑TEC ActiV C4416 Optical Smoke Detector C4416, EN54‑7, Photoelectric
Infrared Detection£ 14 94RRP: £16.05WME Pro Plan priceGet Pro Now£13.15 12% offFast delivery Tomorrow, 10 Jul
Save £3.42
Discovery Optical Smoke Detector, Addressable, EN54-7, 17–28 V, 58000-600APO
EN54-7£ 45 97RRP: £49.39WME Pro Plan priceGet Pro Now£40.45 12% off
Save £4.73
Evolution Addressable Optical Smoke Detector EV‑PYS with Integrated Sounder, 24–38 V
88 dB Sounder£ 63 52RRP: £68.25WME Pro Plan priceGet Pro Now£55.90 12% off
Save £6.13
FireProtect Wireless Smoke & Heat Detector (White), Photoelectric, 85 dB, 38105.10.WH1
Smoke & Heat£ 82 41RRP: £88.54WME Pro Plan priceGet Pro Now£72.52 12% offFast delivery Tomorrow, 10 Jul
Save £2.24
Nittan EV-PH Addressable Multi‑Sensor Detector (Optical Smoke + 54°C A1R Heat), Evolution FSK
Dual Sensor Tech£ 30 13RRP: £32.37WME Pro Plan priceGet Pro Now£26.51 12% offFast delivery Tomorrow, 10 Jul
Save £1.89
Nittan EV‑P Addressable Photoelectric Smoke Detector INSUFFICIENT DATA
Low Profile£ 25 41RRP: £27.30WME Pro Plan priceGet Pro Now£22.36 12% offFast delivery Tomorrow, 10 Jul
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Save £4.54
Aico Ei146e Optical Smoke Alarm – Mains Powered with Battery Backup – SKU: Ei146e
£ 23 14RRP: £27.685 Years Warranty -
Save £8.79
Aico Ei3016 Optical Smoke Alarm – High-Performance Sensor – Ei3016, Ei3000MRF Compatible
£ 46 99RRP: £55.785 Years Warranty -
Save £3.91
Aico Ei650i Battery Optical Smoke Alarm – 10-Year Lithium, AudioLINK+ – SKU: Ei650i
£ 20 15RRP: £24.065 Years Warranty -
Save £12.03
Aico Ei650iRF RadioLINK+ Optical Smoke Alarm – 10-Year Battery, AudioLINK+ – SKU: Ei650iRF
£ 63 99RRP: £76.025 Years Warranty -
Save £7.67
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Save £16.22
Aico Ei660iRF RadioLINK+ Multi-Sensor Fire Alarm – Optical & Heat – SKU: Ei660iRF
£ 85 99RRP: £102.215 Years Warranty -
Save £1.37
AlarmSense Optical Smoke Detector, 2-wire, EN54‑7, 9–33 V DC, 100×42 mm 55000-390APO
EN54‑7£ 18 38RRP: £19.75 -
Save £2.40
C-TEC CA416 CAST Addressable Optical Smoke Detector, EN54-7/17/13, 0.16 dB/m
LPCB Certified£ 32 36RRP: £34.76Fast delivery Tomorrow, 10 Jul -
Save £1.11
C‑TEC ActiV C4416 Optical Smoke Detector C4416, EN54‑7, Photoelectric
Infrared Detection£ 14 94RRP: £16.05Fast delivery Tomorrow, 10 Jul -
Save £3.42
Discovery Optical Smoke Detector, Addressable, EN54-7, 17–28 V, 58000-600APO
EN54-7£ 45 97RRP: £49.39 -
Save £4.73
Evolution Addressable Optical Smoke Detector EV‑PYS with Integrated Sounder, 24–38 V
88 dB Sounder£ 63 52RRP: £68.25 -
Save £6.13
FireProtect Wireless Smoke & Heat Detector (White), Photoelectric, 85 dB, 38105.10.WH1
Smoke & Heat£ 82 41RRP: £88.54Fast delivery Tomorrow, 10 Jul -
Save £2.24
Nittan EV-PH Addressable Multi‑Sensor Detector (Optical Smoke + 54°C A1R Heat), Evolution FSK
Dual Sensor Tech£ 30 13RRP: £32.37Fast delivery Tomorrow, 10 Jul -
Save £1.89
Nittan EV‑P Addressable Photoelectric Smoke Detector INSUFFICIENT DATA
Low Profile£ 25 41RRP: £27.30Fast delivery Tomorrow, 10 Jul