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Wholesale Sensor Door Alarm
5,229
products found
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Video
Free Samples Smartlife
Alarm
Security Gateway Tuya GSM WiFi Hub with Smart
Door
Sensors
, Smart Motion
Sensor
US$ 39-48
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
WiFi 4G GSM
Alarm
Bracelet Home Security
Alarm
with Free Motion
Sensors
Window
Door
Alarm
US$ 65-78
/ Set
2 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Tuya APP Sound and Light Wireless
Door
Sensor
Alarm
US$ 8-10
/ Piece
1 Piece
(Min. Order)
Start Order
Quanzhou Feidun Security Technology Co., Ltd.
Video
Portable Contact
Alarm
Standalone Wireless Warning Doorbell Magnetic
Sensor
Door
Window
Alarm
Portable Voice Spot
Alarm
US$ 72
/ Piece
20 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
PIR Auto
Sensor
Alarm
Door
Chime
US$ 5-6
/ Set
1000 Sets
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
PIR Motion
Sensor
Wireless Doorbell/
Alarm
US$ 3-6
/ Set
1000 Sets
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
PIR Motion
Sensor
Door
Chime/
Alarm
US$ 1.6-3.3
/ Piece
2000 Pieces
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
WiFi Tuya
Door
Window
Sensor
Wireless
Door
Alarm
with Remote Control
US$ 6-7
/ Piece
10 Pieces
(Min. Order)
Start Order
Quanzhou Feidun Security Technology Co., Ltd.
Video
Door
Window Enter Magnetic Motion
Sensor
Alarm
US$ 0.36-2.3
/ Piece
3000 Pieces
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
Tuyasmart Intruder
Alarm
4G Gateway
Alarm
GSM WiFi Hub Home Security Intruder
Alarm
with Smart
Door
Sensors
, WiFi Motion
Sensor
US$ 26-35
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
New Tuya WiFi GSM Home Security
Alarm
System Kits with PIR Motion
Sensor
Door
Sensor
US$ 28-32
/ Piece
1 Piece
(Min. Order)
Start Order
Quanzhou Feidun Security Technology Co., Ltd.
Video
2 Sounds
Door
Window Enter Motion
Sensor
Alarm
US$ 0.33-2.3
/ Piece
3000 Pieces
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
Door
Stopper
Alarm
120dB Hotel and Home Smart
Door
Stop
Sensor
Alarm
US$ 1.31-1.58
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Sumring Technology Co., Limited
Video
Tuyasmart Intruder 4G Gateway
Alarm
4G Gateway
Alarm
with Smart
Door
Sensors
and PIR Motion
Sensors
US$ 26-35
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
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
Wolf Guard Tuya Home Security System GSM Magnetic
Door
Sensor
Alarm
Smart WiFi
Door
Window
Sensor
Alarm
US$ 8.8-9.5
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Tuya Smart Life
Alarm
GSM WiFi Home Security Alarma Siren /WiFi Siren with Smart
Door
Sensors
, PIR
Sensors
US$ 32-42
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Travel
Door
Handle Enter
Alarm
9V Battery Easy to Use
US$ 1.3-1.8
/ Piece
3000 Pieces
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
Magnetic
Door
Window Enter Doorbell and
Alarm
US$ 0.33-2.3
/ Piece
3000 Pieces
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
Door
Window Enter Magnet
Alarm
3PCS Blister Card Packing AAA Battery
US$ 0.39-2.3
/ Piece
3000 Pieces
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
Travel Companion
Door
Handle Enter
Alarm
US$ 1.3-1.8
/ Piece
3000 Pieces
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
32 Melody Visitor Doorbell Chime/
Alarm
with "Hello, Welcome"
US$ 2.1-2.5
/ Piece
2000 Pieces
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
Door
Window Magnet Enter
Alarm
4PCS Blister Card Packing
US$ 1.3-1.5
/ Set
3000 Sets
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
Video
Door
Window Enter Magnet
Alarm
4PCS Blister Packing
US$ 1.3-1.5
/ Set
3000 Sets
(Min. Order)
Start Order
HEFEI LONG RIVER ELECTRICAL CO., LTD.
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Category
Security & Protection
Alarm
Probe, Sensor
CCTV Camera
Alarm Host
Construction & Decoration
Automatic Door
More
Product Features
Signal Transmission
Wireless Alarm
Wired Alarm
Working Mode
Active
Certification
DOT
E-MARK
CE
ISO
FCC
RoHS
Mutcd
ASTM
AS/NZS
CCC
More
Sensor Type
Infrared Alarm System
Electric Alarm
Magnetic Switch Alarm
Acoustic Alarm
Vibration Alarm
Working Principle
Electro-Optical Type
Electromagnetic
Electromechanical
Electro-Acoustic Style
Alarm Volume (Within 1m)
≥80dB
≥90dB
≥100dB
≥110dB
Receive Frequency
229.95MHz
315MHz
433.92MHz
Usage
Personal
Auto
Window
Fire
Smoke
See More Features
Company Features
Business Type
Trading Company
R&D Capacity
OEM
ODM
Own Brand
Others
City
Shenzhen
Dongguan
Luoyang
Hefei
Nantong
Jinan
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Huzhou
Wuxi
Jinhua
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