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    4. Sirens
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    Sirens

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    • Home Security
    • Sirens
    • Alarm Systems
    • Door Entry Systems & Intercoms
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    • Type

      • Siren
      • Multiple Room System
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    List view

    1-48 of 1,380 results

    • Motion Activated Barking Dog Intruder Burglar Deterrent Security Device Alarm UK

      Motion Activated Barking Dog Intruder Burglar Deterrent Security Device Alarm UK

      4 out of 5 stars
      (11)11 product ratings - Motion Activated Barking Dog Intruder Burglar Deterrent Security Device Alarm UK
      £25.00
      5 bids
      £8.95 postage
      Ending Today at 9:02PM GMT1h 9m
      Click & Collect
    • Carbon Monoxide CO Detector Alarm - Battery Operated Carbon Combination UK

      Carbon Monoxide CO Detector Alarm - Battery Operated Carbon Combination UK

      £8.59
      Click & Collect
      Free postage
      117 sold
    • LCD Carbon Monoxide CO Detector Alarm Battery Operated Carbon Combination UK

      LCD Carbon Monoxide CO Detector Alarm Battery Operated Carbon Combination UK

      £8.59
      Click & Collect
      Free postage
      127 sold
    • Carbon Monoxide CO Detector Alarm - Battery Powered Carbon Combination UK

      Carbon Monoxide CO Detector Alarm - Battery Powered Carbon Combination UK

      £8.59
      Click & Collect
      Free postage
      97 sold
    • Masterblaster 127BA Alarm Siren SLM-0001 Klaxon - Master Blaster Sounder B33 New

      Masterblaster 127BA Alarm Siren SLM-0001 Klaxon - Master Blaster Sounder B33 New

      £104.74
      Click & Collect
      Was: £109.74
      Free postage
      501 sold
    • Wireless Shed & Garage PIR Battery Alarm (with Built in Siren)

      Wireless Shed & Garage PIR Battery Alarm (with Built in Siren)

      £39.95
      Click & Collect
      FAST & FREE
    • Eurosec / Gardtec 8 Zone Wired Alarm Control Panel with LCD Keypad

      Eurosec / Gardtec 8 Zone Wired Alarm Control Panel with LCD Keypad

      5 out of 5 stars
      (1)1 product ratings - Eurosec / Gardtec 8 Zone Wired Alarm Control Panel with LCD Keypad
      £74.99
      Click & Collect
      £7.99 postage
      Only 1 left.
    • Response Alarms 868mhz live siren brand new includes new batteries and fittings,

      Response Alarms 868mhz live siren brand new includes new batteries and fittings,

      £53.00
      0 bids
      £5.99 postage
      Ending 31 Jan at 7:32PM GMT6d 23h
    • Masterblaster 127dB VeryLoud Alarm Siren SLM-0001 Klaxon Master Blaster Sounder

      Masterblaster 127dB VeryLoud Alarm Siren SLM-0001 Klaxon Master Blaster Sounder

      £110.35
      Click & Collect
      Free postage
      61 sold
    • Pyronix Deltabell X Model With Lightbox

      Pyronix Deltabell X Model With Lightbox

      £25.00
      Click & Collect
      £5.00 postage
      or Best Offer
    • Honeywell ADE Optima Compact G4 Alarm Panel onboard Keypad 8EP396A-UK Home Alarm

      Honeywell ADE Optima Compact G4 Alarm Panel onboard Keypad 8EP396A-UK Home Alarm

      £54.99
      Click & Collect
      Free postage
    • Secom Live Alarm Bell Box - Siren - Intruder -

      Secom Live Alarm Bell Box - Siren - Intruder -

      £65.00
      Click & Collect
      £9.99 postage
      or Best Offer
    • YALE AC-BXG Grey External Live Siren for Sync and Intruder Alarm Systems

      YALE AC-BXG Grey External Live Siren for Sync and Intruder Alarm Systems

      £59.99
      0 bids
      £5.00 postage
      Ending 1 Feb at 11:37AM GMT7d 15h
      or Best Offer
      Click & Collect
    • Quad Piezo Siren Sounder/Sound Bomb for Alarm Systems

      Quad Piezo Siren Sounder/Sound Bomb for Alarm Systems

      5 out of 5 stars
      (13)13 product ratings - Quad Piezo Siren Sounder/Sound Bomb for Alarm Systems
      £7.99
      Free postage
      863 sold
    • Texecom Premier Elite Odyssey 4-W GBS-0001 866Mhz Blue Wireless

      Texecom Premier Elite Odyssey 4-W GBS-0001 866Mhz Blue Wireless

      £42.50
      Click & Collect
      £4.99 postage
      or Best Offer
    • External Motor Driven Siren, Very Loud High Pitched Siren, Klaxon Type Siren.

      External Motor Driven Siren, Very Loud High Pitched Siren, Klaxon Type Siren.

      £95.00
      Click & Collect
      Free postage
    • VOLVO CAR ALARM SIREN COMPATIBLE BATTERY GP320BVH6A6 N2H280 - S60 S70 V70 S80 XC

      VOLVO CAR ALARM SIREN COMPATIBLE BATTERY GP320BVH6A6 N2H280 - S60 S70 V70 S80 XC

      £11.99
      FAST & FREE
    • NEO WiFi Smart Siren Temperature &Humidity Sensor USB Cable Tuya Smart Life E5M1

      NEO WiFi Smart Siren Temperature &Humidity Sensor USB Cable Tuya Smart Life E5M1

      £21.29
      Free postage
      3 watching
    • Era wireless Replica External Siren

      Era wireless Replica External Siren

      £17.00
      Click & Collect
      £3.68 postage
      or Best Offer
    • Response alarms 2pack 868mhz pir/sensors brand new includes new batteries and fi

      Response alarms 2pack 868mhz pir/sensors brand new includes new batteries and fi

      £32.00
      Click & Collect
      £3.50 postage
    • Visonic Siren Battery MCS-740 SR-740 PG2 PowerMax Bell Box 2XER18505M 103-304742

      Visonic Siren Battery MCS-740 SR-740 PG2 PowerMax Bell Box 2XER18505M 103-304742

      £18.34 to £34.86
      Click & Collect
      Free postage
      100 sold
    • Response Alarms 868mhz  DUMMY BELL brand new includes new batteries and fitting

      Response Alarms 868mhz  DUMMY BELL brand new includes new batteries and fitting

      £19.99
      0 bids
      £4.99 postage
      Ending 27 Jan at 2:03PM GMT2d 18h
      or Buy it now
    • Honeywell Reson8 ADE 8EP420 Intruder Alarm Bell Polycarbonate Box

      Honeywell Reson8 ADE 8EP420 Intruder Alarm Bell Polycarbonate Box

      4.5 out of 5 stars
      (19)19 product ratings - Honeywell Reson8 ADE 8EP420 Intruder Alarm Bell Polycarbonate Box
      £34.00
      Click & Collect
      Free postage
      or Best Offer
    • Pyronix Deltabell Intruder Burglar Alarm System Bell Box  External Sounder Siren

      Pyronix Deltabell Intruder Burglar Alarm System Bell Box External Sounder Siren

      £39.99
      Click & Collect
      £3.99 postage
      211 sold
    • y-cam outdoor solar powered alarm siren

      y-cam outdoor solar powered alarm siren

      £35.00
      Click & Collect
      £5.68 postage
    • Brand new Yale live siren box for Yale SR & EF alarm range

      Brand new Yale live siren box for Yale SR & EF alarm range

      £69.90
      Click & Collect
      £4.20 postage
    • Wireless Outdoor Solar Power Siren Alarm System

      Wireless Outdoor Solar Power Siren Alarm System

      £0.99 to £77.50
      (£43.20/Unit)
      FAST & FREE
    • ERA miGuard G5-AG Wireless Alarm - GSM/SMS Smartphone App Control (DY)

      ERA miGuard G5-AG Wireless Alarm - GSM/SMS Smartphone App Control (DY)

      £269.00
      Click & Collect
      FAST & FREE
    • Suitable for miGuard Wire free Alarm Solar Charged Siren - Red Lens

      Suitable for miGuard Wire free Alarm Solar Charged Siren - Red Lens

      £64.99
      Click & Collect
      Free postage
    • Voice alarm, Talking alarm Sounder 12/24v

      Voice alarm, Talking alarm Sounder 12/24v

      £39.99
      Click & Collect
      Free postage
      Only 1 left.
    • Smart Life APP 3IN1 Wireless Smart WiFi Temperature& Humidity Sensor Siren Alarm

      Smart Life APP 3IN1 Wireless Smart WiFi Temperature& Humidity Sensor Siren Alarm

      £20.28
      £1.19 postage
      or Best Offer
      23 sold
    • Visonic SR-740 PG2 (868-1 UK) External Siren

      Visonic SR-740 PG2 (868-1 UK) External Siren

      £97.00
      Click & Collect
      Free postage
      Only 1 left.
    • Visonic Siren Battery MCS-740 SR-740 PG2 PowerMax Bell Box 2XER18505M 103-304742

      Visonic Siren Battery MCS-740 SR-740 PG2 PowerMax Bell Box 2XER18505M 103-304742

      £19.42 to £34.60
      Click & Collect
      Free postage
      48 sold
    • Battery Powered Wireless Outdoor Siren Alarm System

      Battery Powered Wireless Outdoor Siren Alarm System

      £149.95
      Click & Collect
      Free postage
    • New Yale live siren box for Yale HSA range alarm

      New Yale live siren box for Yale HSA range alarm

      £59.99
      Click & Collect
      £4.10 postage
    • 433MHz Wireless Waterproof Solar Power Siren Alarm for GSM Alarm System Light

      433MHz Wireless Waterproof Solar Power Siren Alarm for GSM Alarm System Light

      £32.76
      Was: £35.22
      Free postage
      or Best Offer
    • NEO Tuya WiFi Smart Wireless Siren Alarm Sensor Work with Alexa Google Home P6Q8

      NEO Tuya WiFi Smart Wireless Siren Alarm Sensor Work with Alexa Google Home P6Q8

      £21.15
      Click & Collect
      Free postage
    • Genuine Elmdene Live External Siren Electronics For Bell Box Ref: 7422 G3F (17)

      Genuine Elmdene Live External Siren Electronics For Bell Box Ref: 7422 G3F (17)

      £44.99
      £5.00 postage
      or Best Offer
    • Genuine Elmdene Live External Siren Electronics For ADT Bell Box Ref:7422 G3(12)

      Genuine Elmdene Live External Siren Electronics For ADT Bell Box Ref:7422 G3(12)

      £29.99
      £5.00 postage
      or Best Offer
    • YALE EASY FIT EF-LS WIRELESS LIVE SIREN - OFFICIAL STOCKIST - NEXT DAY DELIVERY!

      YALE EASY FIT EF-LS WIRELESS LIVE SIREN - OFFICIAL STOCKIST - NEXT DAY DELIVERY!

      £999.99
      FAST & FREE
    • Swann One Smart Hub Security Kit  Bnib

      Swann One Smart Hub Security Kit Bnib

      £14.99
      0 bids
      £4.00 postage
      Ending 29 Jan at 7:42PM GMT4d 23h
      Click & Collect
    • Temperature Humidity Alarm Sensor Wifi Siren Tuya Smart Life App Work with Q5Y3

      Temperature Humidity Alarm Sensor Wifi Siren Tuya Smart Life App Work with Q5Y3

      5 out of 5 stars
      (2)2 product ratings - Temperature Humidity Alarm Sensor Wifi Siren Tuya Smart Life App Work with Q5Y3
      £17.40
      Free postage
    • Klaxon SLM-0001 Security Alarm Sounder Loud 127dB Yellow AC Siren MasterBlaster

      Klaxon SLM-0001 Security Alarm Sounder Loud 127dB Yellow AC Siren MasterBlaster

      5 out of 5 stars
      (4)4 product ratings - Klaxon SLM-0001 Security Alarm Sounder Loud 127dB Yellow AC Siren MasterBlaster
      £109.99
      FAST & FREE
      Click & Collect
      203 sold
    • Klaxon Signals Master Blaster Siren

      Klaxon Signals Master Blaster Siren

      £104.45
      Click & Collect
      Free postage
      or Best Offer
    • TUYA/Smart Life APP DIY WIFI Home Automation Alarm System Sensor Switch,Socket

      TUYA/Smart Life APP DIY WIFI Home Automation Alarm System Sensor Switch,Socket

      £6.60 to £26.16
      £1.19 postage
      17 watching
    • NEO Coolcam Z-Wave Intelligent Wireless Siren Alarm Sensor Home Automation A1E3

      NEO Coolcam Z-Wave Intelligent Wireless Siren Alarm Sensor Home Automation A1E3

      £29.63
      Free postage
    • Yale live siren box for Yale Sync  & IA alarm range

      Yale live siren box for Yale Sync & IA alarm range

      £69.98
      Click & Collect
      £4.20 postage

    Results pagination - page 1

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