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Door Sensor Alarm Magnetic Transmitter Spare Accessories Replacement, 23A Battery Operated 600ft Sensor Contacts Double-sided Self Adhesive Easy to Install, Need to work with SECRUI Door Chime : Amazon.co.uk: DIY & Tools
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WHITE FLUSH MAGNETIC ALARM DOOR CONTACT DETECTOR BURGLAR SYSTEM REED SWITCH : Amazon.co.uk: DIY & Tools
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Magnetic Door Sensor - InterpretationShop
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Door Sensor Alarm Magnetic Transmitter Spare Accessories Replacement, 23A Battery Operated 600ft Sensor Contacts Double-sided Self Adhesive Easy to Install, Need to work with SECRUI Door Chime : Amazon.co.uk: DIY & Tools
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Magnetic Door Sensor - InterpretationShop
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Door Sensor Alarm Magnetic Transmitter Spare Accessory Replacement Self Adhesive | eBay
