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
Portable
PIR Motion Sensor
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
PLC
Dedicated Controller
PAC
Resolution
1080p
2 MP
Turnstile Function
Access Control
Functional Application
Wireless Communication
Security
Max. Current
0.5A
1a
2a
Material - Body
Aluminum
Printed Circuit Board
Brass
View more
Positioning Mode
GSM
LBS
Special Features
Waterproof/Weatherproof
Anti-theft
Night Vision
View more
Voltage
12V
24V
110 V
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
KKM S1
Door
Sensor
Remote Real - Time Tracking Wireless Ble 5.0 Beacon
Sensor
Alarm Magnetic Smart Iot
Door
Window
Sensor
£3.02-7.55
MOQ: 2 pieces
KKM TECHNOLOGY COMPANY LIMITED
2 yrs
HK
5.0
/5.0
(4)
Previous slide
Next slide
Micro Plastic Molding Rectangular Reed Contact Proximity Switch
Sensor
Cylindrical Magnetic
Door
Sensor
Smart 2-Pole 3A 100-300V
£0.4526-1.36
MOQ: 50 pieces
Fast Sensor Hongkong Limited
11 yrs
HK
3.2
/5.0
(3)
Previous slide
Next slide
Door
Contacts Magnetic Proximity
Sensor
Reed Switch Shielded Garage Overhead
Door
Sensor
0-10m Sensing Distance No Standby Power
£0.6411-1.14
MOQ: 30 pieces
Fuen (HK) Electronics Co., Limited
1 yrs
HK
5.0
/5.0
(1)
Previous slide
Next slide
Robust fully coded safety gate
sensor
6N000011 PSEN sl2-GL2-P switch transponder
door
monitoring
£60.34-90.51
MOQ: 1 piece
SHENGJIN INDUSTRIAL (HK) LIMITED
1 yrs
HK
5.0
/5.0
(10)
Previous slide
Next slide
Wireless
Door
Sensor
Alarm With App Control For Smart Home Security Entry Protection
£4.53
MOQ: 1 bag
LOCKA SPACE LIMITED
2 yrs
HK
Previous slide
Next slide
Vimar Magnetic Garage
Door
Sensor
20.6 Cm With Cable And Mounting Bracket For Automatic
Doors
£18.54-23.83
MOQ: 1 unit
Planet Shop S.r.l.
1 yrs
IT
4.6
/5.0
(25)
Previous slide
Next slide
Wholesale square reed switch Magnetic Proximity
Sensor
5v
Door
Contact
Sensor
for Security
Sensor
£0.3771-0.7542
MOQ: 10 pieces
KOLAS ELECTRIC PTE. LTD.
9 yrs
SG
Previous slide
Next slide
For SNZB-04P Zigbee 3.0
Door
Window
Sensor
Tamper Alert EWeLink App Notifications Works ZB Bridge-P ZBDongle-E CE/FCC A241
£6.04-10.49
MOQ: 5 pieces
HELLOCHIP LIMITED
1 yrs
HK
4.6
/5.0
(597)
1
2
3
4
5
6
7
8
9
10
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
SG
