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
Other Sensors
Magnetic Sensors
Image Sensors & Camera Sensors
Safety Sensors
Other Access Control Products
Biometric Access Control Products
View more
Price
-
OK
Min. order
OK
Supplier country/region
Australia
Belgium
Bulgaria
Cambodia
Canada
Germany
Greece
Hong Kong SAR China
India
Indonesia
Italy
Japan
Malaysia
Mexico
Myanmar
Pakistan
Philippines
Poland
Russia
Singapore
South Korea
Spain
Taiwan China
Thailand
Turkey/Türkiye
United Arab Emirates
United Kingdom
United States
Uzbekistan
Vietnam
Management certifications
ISO
Alarm Type
App
Horn
Strobe
Network
GSM
WiFi
Bluetooth
View more
Sensor Type
Motion Sensor
Water Detector Sensor
Vibration Sensor
View more
Usage
Door
Window
Fire
View more
App Support
Tuya
Alexa
Google Home
View more
Feature
Easy Installation
Durable
Portable
View more
Material
Metal
Abs
Plastic
View more
Detection Range
Up to 10 m
10-20m
20-30m
View more
Application
Safety Protection
Indoor & Outdoor
Type
Motion & Position Sensor
Resolution
1080p
2 MP
Turnstile Function
Access Control
Functional Application
Artificial Intelligence/Machine Learning
Wireless Communication
Security
Max. Voltage
24V
220V
250V
Max. Current
0.5A
1a
2a
Positioning Mode
GSM
LBS
Special Features
Waterproof
Remote Control
Weatherproof
Material - Body
Aluminum
Printed Circuit Board
Brass
View more
Access Control Type
Face Recognition
Fingerprint
Trigger Type
Contact
Optical
Alibaba
Security
Alarms
Alarm Systems
Door sensor
(999+ products available)
Previous slide
Next slide
TOTINFO Smart QR Code Wiegand RS485 RS232 USB 1D 2D Embedded Barcode Scanner for
Door
Access Control System in Stock
£24.89-32.43
MOQ: 1 set
TOKLUNG BARCODE TECH LIMITED
1 yrs
HK
5.0
/5.0
(1)
Previous slide
Next slide
KCD2-STC-EX1 P+H full series analog input safety barrier
sensors
for industrial control automation field
£35.45
MOQ: 1 piece
Siesource Industrial (HK) Limited
1 yrs
HK
5.0
/5.0
(21)
Previous slide
Next slide
1D 2D Barcode Scanner Industrial Fixed Mount USB Interface CMOS
Sensor
QR Code Reader for Kiosk and Turnstile in Stock
£24.89-32.43
MOQ: 1 set
TOKLUNG BARCODE TECH LIMITED
1 yrs
HK
5.0
/5.0
(1)
Previous slide
Next slide
Heavy Duty Commercial Dual Gate App-controlled Remote Control Security Protection Indoor/Outdoor Use Greenhouse
Sensor
Electric
£94.28-109.36
MOQ: 1 set
Hong Kong Du Better Group Co., Limited
1 yrs
HK
Previous slide
Next slide
Magnetic
Door
Sensor
PCBA Control Board OEM ODM Custom Processing Full Turnkey Material Supply Customer Supplied Processing SMT
£2.03-2.56
MOQ: 1 piece
Lucky suk Co.,Ltd
1 yrs
TH
Previous slide
Next slide
Modern Design Electric
Door
Opener Closer Wireless Remote
Sensor
App Control Home Hospital Overhead Automatic Swing
Door
Opener
£94.28-109.36
MOQ: 1 set
Hong Kong Du Better Group Co., Limited
1 yrs
HK
Previous slide
Next slide
Original right low profile magnetic safety
sensor
6M000032 PSEN mg1-A-LLFXX-RBA1-U1-U switch machine
door
interlock
£67.13-82.21
MOQ: 1 piece
SHENGJIN INDUSTRIAL (HK) LIMITED
1 yrs
HK
5.0
/5.0
(10)
Previous slide
Next slide
Sudex H9 Smart Home Security System WiFi/GSM Dual Network App Control Motion
Sensor
Protection Kit ABS Tuya Smart 100m Detection
£18.31-21.98
MOQ: 10 sets
Sudex Trading SL
1 yrs
ES
1
More pages
28
29
30
31
32
33
34
35
36
More pages
99
Related Searches:
rf detector
wireless house alarm
wireless home alarm systems
door sensor alarm
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
ISO
