Alibaba.com
Sourcing solutions
Services & Membership
Help
On Alibaba
Sign in
Join for free
My Alibaba
My Alibaba
Message Center
Manage RFQ
My Orders
My Account
Submit RFQ
Get multiple quotes within 24 hours!
Orders
0
Orders
Pending Payment
Pending Confirmation
Pending Actions
Trade Assurance
Learn more
Order with Trade Assurance
Favorites
0
Favorites
View all items
Sign in
to manage and view all items.
11
YRS
Shenzhen Yuanhang Electronic Co., Limited
Home
Products
See all categories
Profile
Company Overview
Ratings & Reviews
Contacts
View More
Recommented
Top picks
Product categories
GSM/PSTN/WiFi Alarm Systems
Wireless Products
PIR Detectors
CCTV cameras
Heat/Smoke Detectors
Gas Detectors
Smart PadLocks
Glass break/Vibration sensors
Contact Sensors
Alarm Sirens
Active Infrared Beams
Button Switches
All products
Standalone Window and Door Sensor Alarm Tuya WiFi Wireless Multi-function Door Sensor
$4.80 - $6.00
(Min. Order) 2 pieces
System Sensor Vibration Sensor Alarm Wired 12V Shock Alarm Anti-theft Sensitive Vibration Sensor Detector
$3.00 - $4.50
(Min. Order) 2 pieces
Aluminum Automatic Shut off Valve DN15/ DN20 Emergency Solenoid Shut-off Valve for gas leak safety
$4.00 - $5.00
(Min. Order) 2 pieces
2024 Hot Sale Wired alarm siren 12V-24V 30W/40W for home security alarm system
$4.80 - $6.00
(Min. Order) 2 pieces
Tuya WiFi wireless multi-function door sensor tuya door sensor for standalone use
$5.80 - $6.50
(Min. Order) 2 pieces
External Outdoor/Indoor Siren Alarm and Red Flashing Strobe Light Siren 12V Wired Alarm Siren
$3.50 - $5.00
(Min. Order) 2 pieces
Hot sale Wired Siren Alarm 12V External Siren and Strobe Light Indoor/Outdoor Siren for Alarm
$3.50 - $5.00
(Min. Order) 2 pieces
5 sold
YH-G4 Smart Padlock Popular Fingerprint padlock IP65 Waterproof Digital Smart Fingerprint Padlocks
$7.50 - $9.00
(Min. Order) 2 pieces
Contact Sensors
All products
Contact Sensors
Customizable
Ready to Ship
2020 Newest Anti-theft Window Door stop open sensor 120db alarm for hotel
$1.90 - $3.00
Shipping: $3.45/piece
Min. Order: 10 pieces
Est. delivery by May 17
Easy Return
Add to cart
120dB Hotel Home Alarm System Wireless Security Door Stopper Alarm
$2.00 - $3.00
Shipping: $17.24/piece
Min. Order: 1 piece
Est. delivery by May 15
Easy Return
Add to cart
Roller Shutter Magnetic Contact Sensor Wired Electronic Door Alarm Sensor Roll Up Door Open Sensor
$2.50 - $3.50
Shipping to be negotiated
Min. Order: 2 pieces
System Wired Door Sensor Rolling Up Magnetic Door Open Sensor Alarm Roll Up Door Contact Sensor
$1.90 - $3.00
Shipping to be negotiated
Min. Order: 2 pieces
Hot sale door or window magnetic contact sensor alarm home alarm system
$0.45 - $0.90
Shipping: $17.24/piece
Min. Order: 1 piece
Est. delivery by May 16
Easy Return
Add to cart
Hot sale automatic magnetic door contact/ sensor plastic detector sensor from China
$1.50 - $2.50
Shipping: $3.09/piece
Min. Order: 10 pieces
Est. delivery by May 8
Easy Return
Add to cart
Hot sale door open sensor alarm wired magnetic door/window contact sensor wired door sensor for security alarm system
$0.40 - $0.80
Shipping: $1.53/pair
Min. Order: 10 pairs
Est. delivery by May 28
Easy Return
Add to cart
Standalone Tuya WiFi Door Contact Open Sensor Alarm de puerta WiFi Wireless Security Magnetic Door/Window Open Sensor
$4.80 - $6.00
Shipping to be negotiated
Min. Order: 2 pieces
Easy Return
Standalone door contact sensor door open sensor alarm door/window alarm with remote controller for home
$4.50 - $6.00
Shipping: $14.09/piece
Min. Order: 2 pieces
Est. delivery by May 10
Easy Return
Add to cart
Door Open Contact Sensor Window And Door Alarm Wired Magnetic Door Sensor with NC+NO+COM
$1.00 - $1.50
Shipping to be negotiated
Min. Order: 10 pairs
Easy Return
Wired magnetic Contact window& door alarm sensor
$0.30 - $0.50
Shipping to be negotiated
Min. Order: 50 pieces
Independent Door Alarm 120db Window Magnetic Door Sensor Open Alarm Standalone Door Contact Sensor
$1.40 - $2.50
Shipping to be negotiated
Min. Order: 10 pieces
Hot sale wire magnetic door/window sensor cabinet door open contact sensor for security system
$1.80 - $3.00
Shipping to be negotiated
Min. Order: 1 piece
Metal Anti-Theft Roll Up Door Sensor Alarm Automatic Door Open Sensor Garage Roller Shutter Door Alarm Sensor
$1.80 - $2.50
Shipping to be negotiated
Min. Order: 2 pieces
Easy Return
Hotel/Home Usage Door Stopper Siren Alarm 120db Anti-theft Travel Door Stop Open Alarm Personal Security Door Stop Alarm
$1.80 - $2.50
Shipping to be negotiated
Min. Order: 2 pieces
High quality electronic magnetic door sensor magnetic door open sensor for home security alarm system
$1.50 - $2.50
Shipping to be negotiated
Min. Order: 100 pieces
1
2