All categories

Featured selections

Trade Assurance

Buyer Central

Help Center

Get the app

Become a supplier

Door alarms

(998 products available)

Hanotech Single-Phase 220V/50Hz UPS Top New 48 Hours Reserve Backup Rolling <b>Doors</b> Power Uninterruptible Power Supplies (UPS) - Product Image 1

Hanotech Single-Phase 220V/50Hz UPS Top New 48 Hours Reserve Backup Rolling <b>Doors</b> Power Uninterruptible Power Supplies (UPS) - Product Image 2

Hanotech Single-Phase 220V/50Hz UPS Top New 48 Hours Reserve Backup Rolling <b>Doors</b> Power Uninterruptible Power Supplies (UPS) - Product Image 3

Hanotech Single-Phase 220V/50Hz UPS Top New 48 Hours Reserve Backup Rolling <b>Doors</b> Power Uninterruptible Power Supplies (UPS) - Product Image 4

Hanotech Single-Phase 220V/50Hz UPS Top New 48 Hours Reserve Backup Rolling <b>Doors</b> Power Uninterruptible Power Supplies (UPS) - Product Image 5

Hanotech Single-Phase 220V/50Hz UPS Top New 48 Hours Reserve Backup Rolling <b>Doors</b> Power Uninterruptible Power Supplies (UPS) - Product Image 6

Hanotech Single-Phase 220V/50Hz UPS Top New 48 Hours Reserve Backup Rolling Doors Power Uninterruptible Power Supplies (UPS)

Min. order: 1 piece

MiTEC Hospital Nurse Call System With Pull Cord Emergency Button and 2 Way Intercom for Assistance Wired System With UPS Backup - Product Image 1

MiTEC Hospital Nurse Call System With Pull Cord Emergency Button and 2 Way Intercom for Assistance Wired System With UPS Backup - Product Image 2

MiTEC Hospital Nurse Call System With Pull Cord Emergency Button and 2 Way Intercom for Assistance Wired System With UPS Backup - Product Image 3

MiTEC Hospital Nurse Call System With Pull Cord Emergency Button and 2 Way Intercom for Assistance Wired System With UPS Backup - Product Image 4

MiTEC Hospital Nurse Call System With Pull Cord Emergency Button and 2 Way Intercom for Assistance Wired System With UPS Backup - Product Image 5

MiTEC Hospital Nurse Call System With Pull Cord Emergency Button and 2 Way Intercom for Assistance Wired System With UPS Backup - Product Image 6

MiTEC Hospital Nurse Call System With Pull Cord Emergency Button and 2 Way Intercom for Assistance Wired System With UPS Backup

£7.40-147.87

Min. order: 50 pieces

Portable Vibration Window System Standalone Sirene Alerte Exterieur Pour Maison Wifi Tuya <b>Door</b> <b>Alarm</b> Sensor - Product Image 1

Portable Vibration Window System Standalone Sirene Alerte Exterieur Pour Maison Wifi Tuya <b>Door</b> <b>Alarm</b> Sensor - Product Image 2

Portable Vibration Window System Standalone Sirene Alerte Exterieur Pour Maison Wifi Tuya <b>Door</b> <b>Alarm</b> Sensor - Product Image 3

Portable Vibration Window System Standalone Sirene Alerte Exterieur Pour Maison Wifi Tuya <b>Door</b> <b>Alarm</b> Sensor - Product Image 4

Portable Vibration Window System Standalone Sirene Alerte Exterieur Pour Maison Wifi Tuya <b>Door</b> <b>Alarm</b> Sensor - Product Image 5

Portable Vibration Window System Standalone Sirene Alerte Exterieur Pour Maison Wifi Tuya <b>Door</b> <b>Alarm</b> Sensor - Product Image 6

Portable Vibration Window System Standalone Sirene Alerte Exterieur Pour Maison Wifi Tuya Door Alarm Sensor

£5.21

Min. order: 1 piece

Smart <b>Door</b> Magnetic <b>Alarm</b> Sensor 433MHZ RF Wireless <b>Door</b> Window Contact with Modbus TCP Protocol CE ROHS Certified - Product Image 1

Smart <b>Door</b> Magnetic <b>Alarm</b> Sensor 433MHZ RF Wireless <b>Door</b> Window Contact with Modbus TCP Protocol CE ROHS Certified - Product Image 2

Smart <b>Door</b> Magnetic <b>Alarm</b> Sensor 433MHZ RF Wireless <b>Door</b> Window Contact with Modbus TCP Protocol CE ROHS Certified - Product Image 3

Smart <b>Door</b> Magnetic <b>Alarm</b> Sensor 433MHZ RF Wireless <b>Door</b> Window Contact with Modbus TCP Protocol CE ROHS Certified - Product Image 4

Smart <b>Door</b> Magnetic <b>Alarm</b> Sensor 433MHZ RF Wireless <b>Door</b> Window Contact with Modbus TCP Protocol CE ROHS Certified - Product Image 5

Smart <b>Door</b> Magnetic <b>Alarm</b> Sensor 433MHZ RF Wireless <b>Door</b> Window Contact with Modbus TCP Protocol CE ROHS Certified - Product Image 6

Smart Door Magnetic Alarm Sensor 433MHZ RF Wireless Door Window Contact with Modbus TCP Protocol CE ROHS Certified

£36.97-110.90

Min. order: 1 set

PGST PG-107 Tuya Wireless Home WIFI GSM Home Security With Motion Detector Sensor Burglar <b>Alarm</b> System APP Control Support Alexa - Product Image 1

PGST PG-107 Tuya Wireless Home WIFI GSM Home Security With Motion Detector Sensor Burglar <b>Alarm</b> System APP Control Support Alexa - Product Image 2

PGST PG-107 Tuya Wireless Home WIFI GSM Home Security With Motion Detector Sensor Burglar <b>Alarm</b> System APP Control Support Alexa - Product Image 3

PGST PG-107 Tuya Wireless Home WIFI GSM Home Security With Motion Detector Sensor Burglar <b>Alarm</b> System APP Control Support Alexa - Product Image 4

PGST PG-107 Tuya Wireless Home WIFI GSM Home Security With Motion Detector Sensor Burglar <b>Alarm</b> System APP Control Support Alexa - Product Image 5

PGST PG-107 Tuya Wireless Home WIFI GSM Home Security With Motion Detector Sensor Burglar <b>Alarm</b> System APP Control Support Alexa - Product Image 6

PGST PG-107 Tuya Wireless Home WIFI GSM Home Security With Motion Detector Sensor Burglar Alarm System APP Control Support Alexa

£28.10-48.80

Min. order: 1 piece

Premium Quality Emergency <b>Door</b> Release Break Glass to Unlock <b>Door</b> Manual Call Point Plastic Material Home Security <b>Alarm</b> - Product Image 1

Premium Quality Emergency Door Release Break Glass to Unlock Door Manual Call Point Plastic Material Home Security Alarm

£2.15-3.63

Min. order: 50 packs

DK-2822 Dual Outputs Wiegand Transmission Standalone Keypad Access Control Product for <b>Door</b> Sensing with 125KHz EM Card Reader - Product Image 1

DK-2822 Dual Outputs Wiegand Transmission Standalone Keypad Access Control Product for <b>Door</b> Sensing with 125KHz EM Card Reader - Product Image 2

DK-2822 Dual Outputs Wiegand Transmission Standalone Keypad Access Control Product for <b>Door</b> Sensing with 125KHz EM Card Reader - Product Image 3

DK-2822 Dual Outputs Wiegand Transmission Standalone Keypad Access Control Product for Door Sensing with 125KHz EM Card Reader

£13.90-15.38

Min. order: 1 piece

Good Quality Alkaline 23A Battery 12V for Doorbell Car Shutter <b>Door</b> Remote Control <b>Alarm</b> - Product Image 1

Good Quality Alkaline 23A Battery 12V for Doorbell Car Shutter <b>Door</b> Remote Control <b>Alarm</b> - Product Image 2

Good Quality Alkaline 23A Battery 12V for Doorbell Car Shutter <b>Door</b> Remote Control <b>Alarm</b> - Product Image 3

Good Quality Alkaline 23A Battery 12V for Doorbell Car Shutter <b>Door</b> Remote Control <b>Alarm</b> - Product Image 4

Good Quality Alkaline 23A Battery 12V for Doorbell Car Shutter <b>Door</b> Remote Control <b>Alarm</b> - Product Image 5

Good Quality Alkaline 23A Battery 12V for Doorbell Car Shutter <b>Door</b> Remote Control <b>Alarm</b> - Product Image 6

Good Quality Alkaline 23A Battery 12V for Doorbell Car Shutter Door Remote Control Alarm

£0.074-0.1479

Min. order: 20,000 pieces