Burglar & Intruder Alarms
Protect your property with our security alarms and sensors — reliable protection for homes and businesses. From PIR & motion sensors to complete wireless alarm kits, the range covers panels, detectors, sirens and accessories with straightforward installation and round-the-clock cover.
Pair them with our CCTV & surveillance range or security lighting for a complete setup, or explore smart home security systems for app-controlled protection.
Shop trusted brands including Ajax, Pyronix, Hikvision, Texecom and GJD at WME.
For advice, read our Help & Support guides — The Best Wireless Home Alarm Security Systems, What Is a Video Surveillance System? and The Complete Guide to Hikvision CCTV Systems.
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Pyronix KX10DP Wired Pet-Immune PIR Detector, 10m 85° EN50131-2-2 Grade 2
Pet Friendly£ 13 59RRP: £14.60Fast delivery Mon, 14 Sep
Save £4.43
Pyronix KX10DP-WE Wireless Pet-Immune PIR Detector, 10m, 868MHz, KX10DPWE
Pet Tolerant£ 59 53RRP: £63.96Fast delivery Mon, 14 Sep
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Pyronix KX15DD 15m Dual-Element PIR Detector, Wired, EN50131 Grade 2, FPKX15EDHT
15m Range£ 13 59RRP: £14.60Fast delivery Mon, 14 Sep
Save £1.25
15m Detection£ 16 78RRP: £18.03Fast delivery Mon, 14 Sep
Save £0.97
Pyronix LCD Flush Mount Back Box, for EURO/Enforcer LCD Keypads, LCD-FLUSHBOX
Flush Fit£ 12 97RRP: £13.94Fast delivery Mon, 14 Sep
Save £1.64
Pyronix Lithium D-cell Battery CR34615D, 3.0 V, 11-12 Ah BATT-CR34615D
Long‑life£ 22 02RRP: £23.66Fast delivery Mon, 14 Sep
Save £1.28
Pyronix MC1/SHOCKGR-KIT Anthracite Replacement Casing Kit (5 sets)
Anthracite£ 17 23RRP: £18.51Fast delivery Mon, 14 Sep
Save £0.26
Pyronix MC1Z/SPACER-BR Brown Spacer Kit for MC1Z/MC1 Magnetic Contacts, 3 Sizes, ITM004448
3 Sizes£ 3 41RRP: £3.67Fast delivery Mon, 14 Sep
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Pyronix MC1Z/SPACER-GR Mounting Spacer Kit, Grey, 3-piece
Spacer Kit£ 3 41RRP: £3.67Fast delivery Mon, 14 Sep
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Pyronix MC1Z/SPACER-W Enforcer Magnetic Contact Spacer (White)
Alignment£ 3 41RRP: £3.67Fast delivery Mon, 14 Sep
Save £5.39
Pyronix MC1Z2/SHOCK-WE Wireless Magnetic Contact & Shock Sensor, 2-Way 868MHz, 2 Zone Inputs
Dual Zone Input£ 72 52RRP: £77.912 Years WarrantyFast delivery Mon, 14 Sep
Save £3.86
Pyronix MCNANO-WE Nano Wireless Magnetic Contact, EN50131 Grade 2
Compact Security£ 51 85RRP: £55.71Fast delivery Mon, 14 Sep
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Pyronix MCNANOBK-KIT Black Plastic Cover Kit for MCNANO-WE Magnetic Contact (2-piece)
Colour Match£ 30 06RRP: £32.29Fast delivery Mon, 14 Sep
Save £0.72
Pyronix ME Q Blue Wired PIR Detector, 12 m Volumetric, Dual-Element, Tamper, FPMEQBL
12m Range£ 9 58RRP: £10.30Fast delivery Mon, 14 Sep
Save £4.40
Slimline Design£ 59 22RRP: £63.62Fast delivery Mon, 14 Sep
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Pyronix NANO/SHOCKBK-KIT Black 2-Piece Replacement Casing for NANO/SHOCK-WE
Black Cover£ 30 06RRP: £32.29Fast delivery Mon, 14 Sep
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Pyronix SHOCK/W Wired Shock Sensor, Piezo Vibration, Grade 2, 5yr
Adjustable Sensitivity£ 11 05RRP: £11.875 Years WarrantyFast delivery Mon, 14 Sep
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High Security£ 55 30RRP: £59.41Fast delivery Mon, 14 Sep
Save £0.60
Pyronix TabletBracket wall-mount for ENF-TABLET, 2.5mm ABS, 12V, White, TABLET-BRACKET
Easy Install£ 8 11RRP: £8.71Fast delivery Mon, 14 Sep
Save £5.78
Pyronix UR2-WE Two-Way Wireless Universal Receiver, 20 Devices, 2 Alarm Relays, 9-15 V DC
Two‑Way£ 77 62RRP: £83.40
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Save £1.01
Pyronix KX10DP Wired Pet-Immune PIR Detector, 10m 85° EN50131-2-2 Grade 2
Pet Friendly£ 13 59RRP: £14.60Fast delivery Mon, 14 Sep -
Save £4.43
Pyronix KX10DP-WE Wireless Pet-Immune PIR Detector, 10m, 868MHz, KX10DPWE
Pet Tolerant£ 59 53RRP: £63.96Fast delivery Mon, 14 Sep -
Save £1.01
Pyronix KX15DD 15m Dual-Element PIR Detector, Wired, EN50131 Grade 2, FPKX15EDHT
15m Range£ 13 59RRP: £14.60Fast delivery Mon, 14 Sep -
Save £1.25
15m Detection£ 16 78RRP: £18.03Fast delivery Mon, 14 Sep
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Save £0.97
Pyronix LCD Flush Mount Back Box, for EURO/Enforcer LCD Keypads, LCD-FLUSHBOX
Flush Fit£ 12 97RRP: £13.94Fast delivery Mon, 14 Sep -
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Save £1.64
Pyronix Lithium D-cell Battery CR34615D, 3.0 V, 11-12 Ah BATT-CR34615D
Long‑life£ 22 02RRP: £23.66Fast delivery Mon, 14 Sep -
Save £1.28
Pyronix MC1/SHOCKGR-KIT Anthracite Replacement Casing Kit (5 sets)
Anthracite£ 17 23RRP: £18.51Fast delivery Mon, 14 Sep -
Save £0.26
Pyronix MC1Z/SPACER-BR Brown Spacer Kit for MC1Z/MC1 Magnetic Contacts, 3 Sizes, ITM004448
3 Sizes£ 3 41RRP: £3.67Fast delivery Mon, 14 Sep -
Save £0.26
Pyronix MC1Z/SPACER-GR Mounting Spacer Kit, Grey, 3-piece
Spacer Kit£ 3 41RRP: £3.67Fast delivery Mon, 14 Sep -
Save £0.26
Pyronix MC1Z/SPACER-W Enforcer Magnetic Contact Spacer (White)
Alignment£ 3 41RRP: £3.67Fast delivery Mon, 14 Sep -
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Save £5.39
Pyronix MC1Z2/SHOCK-WE Wireless Magnetic Contact & Shock Sensor, 2-Way 868MHz, 2 Zone Inputs
Dual Zone Input£ 72 52RRP: £77.912 Years WarrantyFast delivery Mon, 14 Sep -
Save £3.86
Pyronix MCNANO-WE Nano Wireless Magnetic Contact, EN50131 Grade 2
Compact Security£ 51 85RRP: £55.71Fast delivery Mon, 14 Sep -
Save £2.23
Pyronix MCNANOBK-KIT Black Plastic Cover Kit for MCNANO-WE Magnetic Contact (2-piece)
Colour Match£ 30 06RRP: £32.29Fast delivery Mon, 14 Sep -
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Save £0.72
Pyronix ME Q Blue Wired PIR Detector, 12 m Volumetric, Dual-Element, Tamper, FPMEQBL
12m Range£ 9 58RRP: £10.30Fast delivery Mon, 14 Sep -
Save £4.40
Slimline Design£ 59 22RRP: £63.62Fast delivery Mon, 14 Sep
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Save £2.23
Pyronix NANO/SHOCKBK-KIT Black 2-Piece Replacement Casing for NANO/SHOCK-WE
Black Cover£ 30 06RRP: £32.29Fast delivery Mon, 14 Sep -
Save £0.82
Pyronix SHOCK/W Wired Shock Sensor, Piezo Vibration, Grade 2, 5yr
Adjustable Sensitivity£ 11 05RRP: £11.875 Years WarrantyFast delivery Mon, 14 Sep -
Save £4.11
High Security£ 55 30RRP: £59.41Fast delivery Mon, 14 Sep
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Save £0.60
Pyronix TabletBracket wall-mount for ENF-TABLET, 2.5mm ABS, 12V, White, TABLET-BRACKET
Easy Install£ 8 11RRP: £8.71Fast delivery Mon, 14 Sep -
Save £5.78
Pyronix UR2-WE Two-Way Wireless Universal Receiver, 20 Devices, 2 Alarm Relays, 9-15 V DC
Two‑Way£ 77 62RRP: £83.40