All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Filters
Supplier types
Trade Assurance
Protects your orders on Alibaba.com
Supplier
Store reviews
Based on a 5-star rating system
4.0 & up
4.5 & up
5.0
Product types
Ready to Ship
Paid samples
Categories
Alarm Systems
Smart Locks
Other Security & Protection Products
Locks
Price
-
OK
Min. order
OK
Supplier country/region
Bulgaria
Cambodia
Hong Kong SAR China
India
Indonesia
Italy
Mexico
Myanmar
Pakistan
Poland
Russia
Saudi Arabia
Singapore
Spain
Taiwan China
Thailand
United States
Uzbekistan
Vietnam
Alarm Type
App
Horn
Strobe
Network
WiFi
GSM
Bluetooth
View more
Sensor Type
Motion Sensor
Water Detector Sensor
Vibration Sensor
Usage
Door
Window
Fire
View more
Feature
Easy Installation
Portable
PIR Motion Sensor
View more
App Support
Tuya
Alexa
Google Home
View more
Material
Metal
Abs
Plastic
View more
Detection Range
Up to 10 m
10-20m
20-30m
View more
Material - Body
Abs
Sus316
Frequency
58 kHz
8.2 MHz
Use
Home Appliance
Power Supply
USB Powered
Battery Powered
DC Power Supply
View more
Voltage
12V
Special Features
Waterproof
Remote Control
Tamper Alarm
View more
Power Source
DC 12V
Waterproof
IP65
Door Type
Wood Door
Steel Door
Aluminum Door
View more
Alibaba
Security
Alarms
Alarm Systems
Door sensor alarm
(999+ products available)
Previous slide
Next slide
HKFAST FMC-60B Panel Mount Silver Metal Magnetic Limit Switch
£1.91-1.99
MOQ: 1 piece
Fast Sensor Hongkong Limited
11 yrs
HK
3.2
/5.0
(3)
Previous slide
Next slide
Hot Sale EASYGUARD EC207-M9 2 Way Car
Alarm
System with LCD Pager Display Push Start Button Remote Starter & Shock Warning
£51.85-56.43
MOQ: 10 pieces
YIHU GROUP LIMITED
1 yrs
HK
4.8
/5.0
(2)
Previous slide
Next slide
HKFAST Long Lifespan Fast Response Compact Size Low Power Consumption High Voltage High Current Glass Reed Switch Soldering/wire
£0.0763-2.14
MOQ: 10 pieces
Fast Sensor Hongkong Limited
11 yrs
HK
3.2
/5.0
(3)
Previous slide
Next slide
A&R GB-306 Wired Glass Break Detector Strobe
Alarm
DC12V ABS Material 6m Detection Range All Glass China Shenzhen
£15.25-16.78
MOQ: 1 piece
A & R TECHNOLOGIES LIMITED
2 yrs
HK
4.9
/5.0
(7)
Previous slide
Next slide
Factory Price Reed Switch
Sensor
Smart
Sensors
Door
Switch
Sensor
for windows and
Doors
Alarms
Applications
£0.6481-1.15
MOQ: 30 pieces
Fuen (HK) Electronics Co., Limited
1 yrs
HK
5.0
/5.0
(1)
Previous slide
Next slide
Sanitary Electromagnetic Water Flowmeter Wireless Modbus Flowmeter Industrial Wastewater Flow Meters wireless
alarm
£38.13-152.49
MOQ: 1 set
EASEMIND TECHNOLOGY LIMITED
13 yrs
HK
5.0
/5.0
(3)
Previous slide
Next slide
Wireless Water Leakage Detector RF
Sensor
System X7 Base Station Extender Easy Installation Plastic Material Sound
Alarm
£38.13-114.37
MOQ: 1 set
EASEMIND TECHNOLOGY LIMITED
13 yrs
HK
5.0
/5.0
(3)
Previous slide
Next slide
Water Leakage Detection
Alarm
Water Level
Alarm
Water Leak Detector Liquid Leak Detection
£38.13-114.37
MOQ: 1 set
EASEMIND TECHNOLOGY LIMITED
13 yrs
HK
5.0
/5.0
(3)
1
More pages
15
16
17
18
19
20
21
22
23
More pages
26
Related Searches:
wireless home alarm system
rf detector
wireless house alarm
wireless home alarm systems
wireless alarm
tracker detector
wireless house alarms
pir sensor outdoor
noise detector
motion sensor alarm
door alarms
stop alarm
wifi alarm system
wired alarm system
tv simulator
window alarm sensors
wireless burglar alarms
window alarms
motion detectors
alarm door contacts
Supplier
