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Smart Door Sensor
233
products found
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Video
WiFi 4G Anti Burglar Home Security Alarm System
Smart
Tuya Alarm Kit Alexa Voice Remote Control Hub
Smart
Home Alarm System
US$ 75
/ Roll
20 Rolls
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Tuya Wireless GSM Home Security System WiFi Home Alarm SIM Card Burglar Security Alarm System
US$ 1-58
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
New
Smart
Home Security Alarm System GSM+WiFi Tuya Burglar Alarm System Linkage to
Smart
Socket (007WS02A)
US$ 30
/ Piece
5 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
4G 3G GSM WiFi Home Alarm System Tuya
Smart
Life APP Wireless 433MHz Security Alarm Support Alexa & Google
US$ 35
/ Set
5 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Intelligent Alarm System Elderly Alarm System 2015
US$ 48
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Wolf Guard Wireless Security Camera Systems
Smart
Home Alarm
US$ 79.5
/ Piece
20 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Smart
Life 4G WiFi Home Security Intruder Alarm System Connecting IP Camera
US$ 1-58
/ Piece
2 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
WiFi
Smart
Home Tuya Security Alarm Home System with APP Control
US$ 35
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Wolf Guard Intelligent Wolf Guard Tuya
Smart
WiFi Alarm System
US$ 38
/ Set
20 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Wolf Guard Manufacturer Anti Intruder Tuya APP WiFi GSM/3G/GPRS
Smart
Home House Alarm Hub Kit System
US$ 54.5
/ Piece
20 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Wireless
Smart
Home Burglar Security GSM GPRS and WiFi Alarm System with RFID Card
US$ 65
/ Piece
5 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Smart
Iot Wireless Elder Sos Help Intruder Alarm System Home Security Wireless Alarm System
US$ 44
/ Piece
5 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Smart
Life Tuya WiFi Outdoor Siren Long Battery Spot Alarm System Tuya Big Siren
US$ 35
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Wolf Guard 4G Tuya APP Control Compatible Amazon Alexa Wolf Guard Alarm System
US$ 79.5
/ Piece
20 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Smart
Home Automation GSM WiFi Tuya
Smart
Alarm for House Security
US$ 48-62
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Wolf Guard GSM WiFi Home Alarm System with
Smart
Home Appliance Control
US$ 79.5
/ Set
20 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Wireless Tuya WiFi 4G Intruder Alarm GSM Intelligent Home Security System Burglar Alarm System
US$ 63-75
/ Piece
100 Pieces
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
China Wholesale New Battery Operated Wireless WiFi Remote Control Alarm Strobe Siren with 125dB Voice Alarm
US$ 35
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Wolf Guard APP Control Compatible Amazon Alexa GSM WiFi Alarm Systems
US$ 58.5
/ Set
20 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
2021 New Tuya
Smart
WiFi+GSM+GPRS Alarm System with Ios/Android APP Control Compatible Amazon Alexa
US$ 38.5-46.5
/ Piece
1 Piece
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Wolf Guard Hot Sale Tuya WiFi GSM Wireless and Wired Burglar
Smart
Alarm System Mejor Sistema De Alarma GSM Casa
US$ 69.5
/ Set
50 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Video
Wolf Guard New Home Security System for
Smart
Home System Automation, Alarm Security System
US$ 35.5
/ Set
20 Sets
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
2017 WiFi 3G 4G GSM
Smart
Home Automation Alarm Security Intruder Alarm System with Spanish Italian Russian Italian APP
US$ 55-65
/ Set
1 Set
(Min. Order)
Start Order
Shenzhen Chitongda Electronic Co., Ltd.
Wolf Guard Sistema Di Allarme Casa Senza Fili, WiFi, GSM, Kit Combinatore Telefonico, 100 Zone, APP (
Smart
Life - tuya) , Compatibile Google Home ED Alexa
US$ 58.5
/ Piece
20 Pieces
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Shenzhen Chitongda Electronic Co., Ltd.
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Category
Alarm
Security & Protection
Alarm & Security Systems
Product Features
Signal Transmission
Wireless Alarm
Working Mode
Active
Certification
DOT
E-MARK
CE
ISO
FCC
RoHS
MUTCD
ASTM
AS/NZS
CCC
More
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
See More Features
Company Features
Business Type
Manufacturer/Factory
Trading Company
R&D Capacity
OEM
ODM
Own Brand
City
Shenzhen
Quanzhou
Hefei
Wenzhou
Guangzhou