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Save big on Sale Bargains - Up to 82% off on Door Open Alarm

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Door Window Open Alarm Wireless Intruder Magnetic Sensor Contact With on off key
Door Window Open Alarm Wireless Intruder Magnetic Sensor Contact With on off key
eBay
£7.95
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Door Window Open Alarm Wireless Intruder Magnetic Sensor Contact With on off key
Door Window Open Alarm Wireless Intruder Magnetic Sensor Contact With on off key
eBay
£7.95
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Door alarm windows or doors are open
Door alarm windows or doors are open
eBay
£9.99
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Magnetic Door and Window Open Alarm - Pack of 3
Magnetic Door and Window Open Alarm - Pack of 3
eBay
£9.82
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HOMESAFE DOOR GUARD ALARM ALERT DOOR OPEN INTRUDER VISITOR CHIME
HOMESAFE DOOR GUARD ALARM ALERT DOOR OPEN INTRUDER VISITOR CHIME
eBay
£19.99
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MINI ENTRYD DOOR WINDOW ALARM OPEN MAGNETIC SWITCH TO TRIGGER INSTANT LOUD ALERT
MINI ENTRYD DOOR WINDOW ALARM OPEN MAGNETIC SWITCH TO TRIGGER INSTANT LOUD ALERT
eBay
£9.99
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Normally OPEN Window Door Contact Magnetic Switch Alarm with Wire
Normally OPEN Window Door Contact Magnetic Switch Alarm with Wire
eBay
£1.38
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B1A-WIRELESS DOOR & WINDOW OPEN ALARM ALERT/ DOOR OPEN CHIME
B1A-WIRELESS DOOR & WINDOW OPEN ALARM ALERT/ DOOR OPEN CHIME
£29.99
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WIRELESS ALARM DOOR WINDOW CONTACT MAGNETIC SENSOR OPEN ALARM HOME SAFETY
WIRELESS ALARM DOOR WINDOW CONTACT MAGNETIC SENSOR OPEN ALARM HOME SAFETY
£9.99
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SWANN WIRELESS ALARM DOOR WINDOW CONTACT MAGNETIC SENSOR OPEN ALARM HOME SAFETY
SWANN WIRELESS ALARM DOOR WINDOW CONTACT MAGNETIC SENSOR OPEN ALARM HOME SAFETY
£14.24
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SWANN WIRED ALARM DOOR WINDOW CONTACT MAGNETIC SENSOR OPEN ALARM HOME SAFETY
SWANN WIRED ALARM DOOR WINDOW CONTACT MAGNETIC SENSOR OPEN ALARM HOME SAFETY
£9.49
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NRS Healthcare Voice Alarm Door/Window Open Sensor
NRS Healthcare Voice Alarm Door/Window Open Sensor
£19.49
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Door Window Contact Magnetic Switch Alarm Home Safety - Normal Open SMD
Door Window Contact Magnetic Switch Alarm Home Safety - Normal Open SMD
£2.15
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3pcs NO Normally Open Security Alarm Door Magnetic Contact Reed Switch
3pcs NO Normally Open Security Alarm Door Magnetic Contact Reed Switch
£28.95
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3pcs NO Normally Open Security Alarm Door Magnetic Contact Reed Switch
3pcs NO Normally Open Security Alarm Door Magnetic Contact Reed Switch
£17.59
eBay
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Door Window Contact Magnetic Reed Switch Alarm - Normal Open NO SMD Style
Door Window Contact Magnetic Reed Switch Alarm - Normal Open NO SMD Style
£1.95
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3pcs NO normally open Wired Security Alarm door magnetic contact reed switch BF
3pcs NO normally open Wired Security Alarm door magnetic contact reed switch BF
£3.26
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Door Or Window Contact Magnetic Reed Switch Alarm - Normal Open SMD Style
Door Or Window Contact Magnetic Reed Switch Alarm - Normal Open SMD Style
£2.15
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GSM LBS Tracker Smart Door Alarm Support Open / Close Door / Low Battery Alarm
GSM LBS Tracker Smart Door Alarm Support Open / Close Door / Low Battery Alarm
£19.37
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3pcs NO normally open Wired Security Alarm door magnetic contact reed switch BT
3pcs NO normally open Wired Security Alarm door magnetic contact reed switch BT
£3.29
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3pcs NO normally open Wired Security Alarm door magnetic contact reed switc E7G7
3pcs NO normally open Wired Security Alarm door magnetic contact reed switc E7G7
£3.31
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Normally Open NO Magnetic Rolling Gate Door Contact Reed Switch Alarm Security
Normally Open NO Magnetic Rolling Gate Door Contact Reed Switch Alarm Security
£12.62
eBay
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B1B-TWIN WIRELESS DOOR & WINDOW OPEN GARAGE/SHED/CARAVAN/ ALARM ALERTCHIME
B1B-TWIN WIRELESS DOOR & WINDOW OPEN GARAGE/SHED/CARAVAN/ ALARM ALERTCHIME
£39.99
eBay
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GSM Real Time Tracker & Smart Door Alarm with Open / Close Door Alarm Function
GSM Real Time Tracker & Smart Door Alarm with Open / Close Door Alarm Function
£19.17
eBay
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10x(3pcs NO normally open Wired Security Alarm door magnetic contact reed s C3I2
10x(3pcs NO normally open Wired Security Alarm door magnetic contact reed s C3I2
£27.69
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20x(3pcs NO normally open Wired Security Alarm door magnetic contact reed s C3I2
20x(3pcs NO normally open Wired Security Alarm door magnetic contact reed s C3I2
£52.44
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5x(3pcs NO normally open Wired Security Alarm door magnetic contact reed s C3I2
5x(3pcs NO normally open Wired Security Alarm door magnetic contact reed s C3I2
£14.90
eBay
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B1A- NEW WIRELESS SECURITY SHOP DOOR OPEN ALERT ALARM SYSTEM WITH WIRELESS CHIME
B1A- NEW WIRELESS SECURITY SHOP DOOR OPEN ALERT ALARM SYSTEM WITH WIRELESS CHIME
£29.99
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30 Pcs Normal Open Wired Magnetic Door Window Contact Reed Switch Alarm
30 Pcs Normal Open Wired Magnetic Door Window Contact Reed Switch Alarm
£23.66
eBay
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WIRELESS Garage Shed Caravan SHOP DOOR Open ALERT Portable ALARM CHIME
WIRELESS Garage Shed Caravan SHOP DOOR Open ALERT Portable ALARM CHIME
£29.99
eBay
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1 Set Door/Window Contact Magnetic Reed Switch Alarm Sensor Normally Open/Close
1 Set Door/Window Contact Magnetic Reed Switch Alarm Sensor Normally Open/Close
£1.19
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1 Set Door/Window Contact Magnetic Reed Switch Alarm Sensor Normally Open/Close
1 Set Door/Window Contact Magnetic Reed Switch Alarm Sensor Normally Open/Close
£1.19
eBay
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Geofire Agrippa > Keep your fire-door open but safely shut when alarm sounds
Geofire Agrippa > Keep your fire-door open but safely shut when alarm sounds
£75.00
eBay
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B1A WIRELESS Garage Shed Caravan SHOP DOOR Open ALERT Portable ALARM CHIME
B1A WIRELESS Garage Shed Caravan SHOP DOOR Open ALERT Portable ALARM CHIME
£29.99
eBay
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5Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security
5Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security
£12.51
eBay
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3Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security
3Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security
£7.62
eBay
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5PC Magnetic Reed Switch Normally Open Closed NC NO Door Contact Alarm Security
5PC Magnetic Reed Switch Normally Open Closed NC NO Door Contact Alarm Security
£14.99
eBay
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Door Handle Alarm. Detects Door Opening & Sounds Alarm
Door Handle Alarm. Detects Door Opening & Sounds Alarm
£7.99
eBay
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DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
£25.00
eBay
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DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
£12.00
eBay
Info
DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
£17.50
eBay
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DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
£28.00
eBay
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DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
£22.00
eBay
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DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
DOOR HANDLE/KNOB ALARM / INTRUDER ALARM. DETECTS DOOR OPENING. ADJ SENSITIVITY
£6.50
eBay
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Spy Gear - Door Alarm
Spy Gear - Door Alarm
£11.99
Argos.co.uk
Info
Wirefree Door Stop Intruder Alarm Sounds When Door Opens Friedland MA10
Wirefree Door Stop Intruder Alarm Sounds When Door Opens Friedland MA10
£12.90
eBay
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Ezviz T6  Wireless Alarm Open Close Detector
Ezviz T6 Wireless Alarm Open Close Detector
£34.99
Argos.co.uk
Info
Magnetic Opening Detector Door Window Alarm Home Security  SH I2I4 K2A4 V6T5
Magnetic Opening Detector Door Window Alarm Home Security SH I2I4 K2A4 V6T5
£1.40
eBay
Info
Magnetic Opening Detector Door Window Alarm Home Security DT
Magnetic Opening Detector Door Window Alarm Home Security DT
£1.82
eBay
Info
Magnetic Opening Detector Door Window Alarm Home Security  BT G0F4
Magnetic Opening Detector Door Window Alarm Home Security BT G0F4
£1.42
eBay
Info
Magnetic Opening Detector Door Window Alarm Home Security  PK
Magnetic Opening Detector Door Window Alarm Home Security PK
£1.40
eBay
Info
Friedland MA10 Wirefree Door Stop Intruder Alarm Sounds When Door Opens
Friedland MA10 Wirefree Door Stop Intruder Alarm Sounds When Door Opens
£12.99
eBay
Info
5X(Magnetic Opening Detector Door Window Alarm Home Security) FT
5X(Magnetic Opening Detector Door Window Alarm Home Security) FT
£6.11
eBay
Info
10x(Magnetic Opening Detector Door Window Alarm Home Security  BT V6F6
10x(Magnetic Opening Detector Door Window Alarm Home Security BT V6F6
£10.20
eBay
Info
10X(Magnetic Opening Detector Door Window Alarm Home Security BF
10X(Magnetic Opening Detector Door Window Alarm Home Security BF
£10.38
eBay
Info
5x(Magnetic Opening Detector Door Window Alarm Home Security  BT V6F6
5x(Magnetic Opening Detector Door Window Alarm Home Security BT V6F6
£5.90
eBay
Info
20x(Magnetic Opening Detector Door Window Alarm Home Security  BT V6F6
20x(Magnetic Opening Detector Door Window Alarm Home Security BT V6F6
£17.47
eBay
Info