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Wholesale Sensor Door Alarm
60
products found
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Wired Magnetic Contact Switch Normally Closed
Door
Open
Sensor
Alarm
US$ 4.22-5.14
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Sumring Technology Co., Limited
Video
Supporting Google Assistant&Amazon Alexa WiFi
Door
Sensors
Smart Life WiFi Window Detectors Tuya
Door
Magnetic Contact, Smart Life WiFi
Door
Alarm
US$ 5.3-6
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Security
Alarm
System Wired
Door
Open
Sensor
Magnetic
Door
Contact
Door
Sensor
Alarm
US$ 10-11
/ Piece
500 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
2021 Wired GSM PSTN
Alarm
Security System Telephone
Alarm
with Movement
Sensors
,
Door
Contact
US$ 57-65
/ Piece
10 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Wired
Door
Alarm
Sensor
Anti Theft Security Cable
US$ 14-16
/ Roll
500 Rolls
(Min. Order)
Start Order
Zhejiang Kuayue Cable Co., Ltd.
Video
Automatisch Mit"Dingdong" Oder "Musk′ Melodie Visitor Doorbell
Alarm
US$ 2.2-2.9
/ Piece
2000 Pieces
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
WiFi
Door
Window Detector White Magnetic Contact Switch
Sensor
Door
Open for House Security
Alarm
House Security System
US$ 17-21
/ Set
1 Set
(Min. Order)
Start Order
Quanzhou Koqi Electronic Co., Ltd.
Glomarket Tuya Smart WiFi Security
Alarm
System Panel Built-in Siren with 433
Door
Motion
Sensor
Home
Alarm
System
US$ 39-43
/ Set
1 Set
(Min. Order)
Start Order
Quanzhou Koqi Electronic Co., Ltd.
Video
Baby
Alarm
Black White Color and
Door
Usage GSM Sos Security Emergency
Alarm
System with Panic Buttons
US$ 29-38
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Sos
Alarm
Black White Color and
Door
Usage GSM Sos Security Emergency
Alarm
System with Panic Buttons
US$ 29-38
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Mini Portable GPS Trackers Locator for Vehicle Personal Google Maps Sos Button
Alarm
GSM GPRS
US$ 14-24
/ Piece
10 Pieces
(Min. Order)
Start Order
Kad Technology Co.,Limited
New Arrival 7" Touch Screen 4G+WiFi
Alarm
Systtem with Wireless Wired Zones (ES-X8)
US$ 100-120
/ Set
1 Set
(Min. Order)
Start Order
Ease Security Co., Ltd.
WiFi GSM
Alarm
Security with IP Camera and GSM
Alarm
System
US$ 50
/ Set
20 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Elderly Panic
Alarm
Black White Color and
Door
Usage GSM Sos Security Emergency
Alarm
System with Panic Buttons
US$ 29-38
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Telephone Dial out
Alarm
US$ 10-50
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Best Sale WiFi GSM Security
Alarm
System for Home Burglar Intruder
Alarm
with Touch Screen
US$ 75-81
/ Set
1 Set
(Min. Order)
Start Order
Quanzhou Koqi Electronic Co., Ltd.
Glomarket Smart Home Tuya GSM/WiFi Security
Alarm
DIY System Wireless APP Control Anti Theft Security
Alarm
System Home Defense
US$ 27-31
/ Set
1 Set
(Min. Order)
Start Order
Quanzhou Koqi Electronic Co., Ltd.
Wireless Smart
Alarm
Home Security System Safe Home Defense with SMS Sos
Alarm
US$ 17-21
/ Set
1 Set
(Min. Order)
Start Order
Quanzhou Koqi Electronic Co., Ltd.
Video
Tuya APP Control Full Touch Screen Home Security WiFi GSM
Alarm
System
US$ 76-79
/ Set
1 Set
(Min. Order)
Start Order
Quanzhou Koqi Electronic Co., Ltd.
Wolf Guard Hot Sale Tuya WiFi GSM 4G Wireless and Wired Burglar Smart
Alarm
House Security
Alarm
System with Tuya APP Control
US$ 69.5
/ Piece
45 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Smart Home Smart Life Tuya WiFi 4G GSM Burglar Wireless Keypad
Alarm
System for Home Security
US$ 50
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
GSM Wireless House Panic Button Emergency Elderly
Alarm
System with Ce FCC RoHS Certificate
US$ 35-40
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Wireless Intruder
Alarm
System with 10 Wireless and 4 Wired Zones
US$ 63
/ Set
20 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
China Hot Wireless GSM Sos Elderly Personal Emergency
Alarm
Security System with Panic Button Yl007eg
US$ 35-40
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
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Category
Security & Protection
Alarm
Alarm & Security System Accessories
Alarm Host
Electrical & Electronics
GPS Tracker
Reed Switch
More
Product Features
Signal Transmission
Wired Alarm
Certification
RoHS
Working Mode
Active
Sensor Type
Electric Alarm
Magnetic Switch Alarm
Acoustic Alarm
Working Principle
Electro-Optical Type
Electro-Acoustic Style
Alarm Volume (Within 1m)
≥80dB
≥110dB
Receive Frequency
229.95MHz
315MHz
433.92MHz
Usage
Personal
Window
Fire
Smoke
See More Features
Company Features
Business Type
Manufacturer/Factory
Trading Company
R&D Capacity
OEM
ODM
Own Brand
City
Shenzhen
Guangzhou
Quanzhou
Zhuhai
Changsha
Hangzhou
Hefei
Shijiazhuang
More