All categories

Featured selections

Trade Assurance

Buyer Central

Help Center

Get the app

Become a supplier

Alarm door sensor

(871 products available)

FAST New Magnetic Proximity Switch 30mm Test Distance for <b>Door</b> <b>Alarm</b> System Screw Mount/Adhesive Proximity <b>Sensor</b> - Product Image 1

FAST New Magnetic Proximity Switch 30mm Test Distance for <b>Door</b> <b>Alarm</b> System Screw Mount/Adhesive Proximity <b>Sensor</b> - Product Image 2

FAST New Magnetic Proximity Switch 30mm Test Distance for <b>Door</b> <b>Alarm</b> System Screw Mount/Adhesive Proximity <b>Sensor</b> - Product Image 3

FAST New Magnetic Proximity Switch 30mm Test Distance for <b>Door</b> <b>Alarm</b> System Screw Mount/Adhesive Proximity <b>Sensor</b> - Product Image 4

FAST New Magnetic Proximity Switch 30mm Test Distance for <b>Door</b> <b>Alarm</b> System Screw Mount/Adhesive Proximity <b>Sensor</b> - Product Image 5

FAST New Magnetic Proximity Switch 30mm Test Distance for <b>Door</b> <b>Alarm</b> System Screw Mount/Adhesive Proximity <b>Sensor</b> - Product Image 6

FAST New Magnetic Proximity Switch 30mm Test Distance for Door Alarm System Screw Mount/Adhesive Proximity Sensor

£1.88-1.96

MOQ: 100 pieces

KOLAS ELECTRIC PTE. LTD.

9 yrs

SG

KKM S1 <b>Door</b> <b>Sensor</b> Remote Real - Time Tracking Wireless Ble 5.0 Beacon <b>Sensor</b> <b>Alarm</b> Magnetic Smart Iot <b>Door</b> Window <b>Sensor</b> - Product Image 1

KKM S1 <b>Door</b> <b>Sensor</b> Remote Real - Time Tracking Wireless Ble 5.0 Beacon <b>Sensor</b> <b>Alarm</b> Magnetic Smart Iot <b>Door</b> Window <b>Sensor</b> - Product Image 2

KKM S1 <b>Door</b> <b>Sensor</b> Remote Real - Time Tracking Wireless Ble 5.0 Beacon <b>Sensor</b> <b>Alarm</b> Magnetic Smart Iot <b>Door</b> Window <b>Sensor</b> - Product Image 3

KKM S1 <b>Door</b> <b>Sensor</b> Remote Real - Time Tracking Wireless Ble 5.0 Beacon <b>Sensor</b> <b>Alarm</b> Magnetic Smart Iot <b>Door</b> Window <b>Sensor</b> - Product Image 4

KKM S1 <b>Door</b> <b>Sensor</b> Remote Real - Time Tracking Wireless Ble 5.0 Beacon <b>Sensor</b> <b>Alarm</b> Magnetic Smart Iot <b>Door</b> Window <b>Sensor</b> - Product Image 5

KKM S1 <b>Door</b> <b>Sensor</b> Remote Real - Time Tracking Wireless Ble 5.0 Beacon <b>Sensor</b> <b>Alarm</b> Magnetic Smart Iot <b>Door</b> Window <b>Sensor</b> - Product Image 6

KKM S1 Door Sensor Remote Real - Time Tracking Wireless Ble 5.0 Beacon Sensor Alarm Magnetic Smart Iot Door Window Sensor

£3.01-7.51

MOQ: 2 pieces

KKM TECHNOLOGY COMPANY LIMITED

2 yrs

Anti-theft Home Built in Siren Magnetic Wifi Tuya Sound and Light <b>Door</b> Open <b>Alarm</b> <b>Sensor</b> - Product Image 1

Anti-theft Home Built in Siren Magnetic Wifi Tuya Sound and Light <b>Door</b> Open <b>Alarm</b> <b>Sensor</b> - Product Image 2

Anti-theft Home Built in Siren Magnetic Wifi Tuya Sound and Light <b>Door</b> Open <b>Alarm</b> <b>Sensor</b> - Product Image 3

Anti-theft Home Built in Siren Magnetic Wifi Tuya Sound and Light <b>Door</b> Open <b>Alarm</b> <b>Sensor</b> - Product Image 4

Anti-theft Home Built in Siren Magnetic Wifi Tuya Sound and Light <b>Door</b> Open <b>Alarm</b> <b>Sensor</b> - Product Image 5

Anti-theft Home Built in Siren Magnetic Wifi Tuya Sound and Light <b>Door</b> Open <b>Alarm</b> <b>Sensor</b> - Product Image 6

Anti-theft Home Built in Siren Magnetic Wifi Tuya Sound and Light Door Open Alarm Sensor

£4.51-6.76

MOQ: 2 sets

Ihome International Business Limited

2 yrs

Sinon Tuya WiFi TTlock bluetooth Button Unlock Waterproof Outdoor Biometric Touch Fingerprint Smart <b>Door</b> Lock for Gate - Product Image 1

Sinon Tuya WiFi TTlock bluetooth Button Unlock Waterproof Outdoor Biometric Touch Fingerprint Smart <b>Door</b> Lock for Gate - Product Image 2

Sinon Tuya WiFi TTlock bluetooth Button Unlock Waterproof Outdoor Biometric Touch Fingerprint Smart <b>Door</b> Lock for Gate - Product Image 3

Sinon Tuya WiFi TTlock bluetooth Button Unlock Waterproof Outdoor Biometric Touch Fingerprint Smart <b>Door</b> Lock for Gate - Product Image 4

Sinon Tuya WiFi TTlock bluetooth Button Unlock Waterproof Outdoor Biometric Touch Fingerprint Smart <b>Door</b> Lock for Gate - Product Image 5

Sinon Tuya WiFi TTlock bluetooth Button Unlock Waterproof Outdoor Biometric Touch Fingerprint Smart <b>Door</b> Lock for Gate - Product Image 6

Sinon Tuya WiFi TTlock bluetooth Button Unlock Waterproof Outdoor Biometric Touch Fingerprint Smart Door Lock for Gate

£31.51-33.91

MOQ: 1 piece

SINON SHENG SHI INDUSTRY CO., LIMITED

3 yrs

Waterproof BLE <b>Sensor</b> Tag 4.4 Year Battery Life 30M Range Hall <b>Sensor</b> for IoT <b>Door</b>/Window Open/Close - Product Image 1

Waterproof BLE <b>Sensor</b> Tag 4.4 Year Battery Life 30M Range Hall <b>Sensor</b> for IoT <b>Door</b>/Window Open/Close - Product Image 2

Waterproof BLE <b>Sensor</b> Tag 4.4 Year Battery Life 30M Range Hall <b>Sensor</b> for IoT <b>Door</b>/Window Open/Close - Product Image 3

Waterproof BLE <b>Sensor</b> Tag 4.4 Year Battery Life 30M Range Hall <b>Sensor</b> for IoT <b>Door</b>/Window Open/Close - Product Image 4

Waterproof BLE <b>Sensor</b> Tag 4.4 Year Battery Life 30M Range Hall <b>Sensor</b> for IoT <b>Door</b>/Window Open/Close - Product Image 5

Waterproof BLE Sensor Tag 4.4 Year Battery Life 30M Range Hall Sensor for IoT Door/Window Open/Close

£15.01

MOQ: 1 unit

INGICS TECHNOLOGY CO., LTD.

11 yrs

For DC12V EC202 2 Way Car <b>Alarm</b> System LCD Display Remote Engine Start Microwave <b>Sensor</b> for Focus Cars 1 Year Warranty - Product Image 1

For DC12V EC202 2 Way Car <b>Alarm</b> System LCD Display Remote Engine Start Microwave <b>Sensor</b> for Focus Cars 1 Year Warranty - Product Image 2

For DC12V EC202 2 Way Car <b>Alarm</b> System LCD Display Remote Engine Start Microwave <b>Sensor</b> for Focus Cars 1 Year Warranty - Product Image 3

For DC12V EC202 2 Way Car <b>Alarm</b> System LCD Display Remote Engine Start Microwave <b>Sensor</b> for Focus Cars 1 Year Warranty - Product Image 4

For DC12V EC202 2 Way Car <b>Alarm</b> System LCD Display Remote Engine Start Microwave <b>Sensor</b> for Focus Cars 1 Year Warranty - Product Image 5

For DC12V EC202 2 Way Car <b>Alarm</b> System LCD Display Remote Engine Start Microwave <b>Sensor</b> for Focus Cars 1 Year Warranty - Product Image 6

For DC12V EC202 2 Way Car Alarm System LCD Display Remote Engine Start Microwave Sensor for Focus Cars 1 Year Warranty

£28.88-39.58

MOQ: 2 pieces

YIHU GROUP LIMITED

1 yrs

New Security Wireless Solar <b>Alarm</b> with Flash Lamp Outdoor Waterproof for Home Garden Farm Courtyard - Product Image 1

New Security Wireless Solar <b>Alarm</b> with Flash Lamp Outdoor Waterproof for Home Garden Farm Courtyard - Product Image 2

New Security Wireless Solar <b>Alarm</b> with Flash Lamp Outdoor Waterproof for Home Garden Farm Courtyard - Product Image 3

New Security Wireless Solar <b>Alarm</b> with Flash Lamp Outdoor Waterproof for Home Garden Farm Courtyard - Product Image 4

New Security Wireless Solar <b>Alarm</b> with Flash Lamp Outdoor Waterproof for Home Garden Farm Courtyard - Product Image 5

New Security Wireless Solar <b>Alarm</b> with Flash Lamp Outdoor Waterproof for Home Garden Farm Courtyard - Product Image 6

New Security Wireless Solar Alarm with Flash Lamp Outdoor Waterproof for Home Garden Farm Courtyard

£4.36-5.23

MOQ: 10 pieces

HK AOXIN TECHNOLOGY LIMITED

2 yrs

Smart Singing <b>Alarm</b> <b>Sensor</b> Battery Music Sound Lighted Musical LED Coir Rugs - Product Image 1

Smart Singing <b>Alarm</b> <b>Sensor</b> Battery Music Sound Lighted Musical LED Coir Rugs - Product Image 2

Smart Singing <b>Alarm</b> <b>Sensor</b> Battery Music Sound Lighted Musical LED Coir Rugs - Product Image 3

Smart Singing <b>Alarm</b> <b>Sensor</b> Battery Music Sound Lighted Musical LED Coir Rugs - Product Image 4

Smart Singing <b>Alarm</b> <b>Sensor</b> Battery Music Sound Lighted Musical LED Coir Rugs - Product Image 5

Smart Singing <b>Alarm</b> <b>Sensor</b> Battery Music Sound Lighted Musical LED Coir Rugs - Product Image 6

Smart Singing Alarm Sensor Battery Music Sound Lighted Musical LED Coir Rugs

£4.43-11.93

MOQ: 300 pieces

CHINAWHY INTERNATIONAL LIMITED

5 yrs