All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Hot sale door open sensor alarm wired magnetic door/window contact sensor wired door sensor for security alarm system
No reviews yet
Hover to zoom in
Key attributes
Other attributes
Place of Origin
Guangdong, China
Brand Name
neutral
Model Number
YH-31
Usage
doors, windows,etc.
Material
ABS
Alarm output
NC (NO option)
Weight
50g
Gap
15-25mm
size
20*13*64mm
Warranty
1 year
Packaging and delivery
Packaging Details
Hot sale door open sensor alarm wired magnetic door/window contact sensor wired door sensor for security alarm system
Selling Units:
Single item
Single package size:
4X3X2 cm
Single gross weight:
0.060 kg
Lead time
| Quantity (pairs) | 1 - 1000 | 1001 - 3000 | 3001 - 5000 | > 5000 |
| Lead time (days) | 7 | 9 | 12 | To be negotiated |
Know your supplier
Product descriptions from the supplier
10 - 99 pairs
$0.80
100 - 999 pairs
$0.60
1000 - 4999 pairs
$0.50
>= 5000 pairs
$0.40
Variations
Total options:
Shipping
Shipping solutions for the selected quantity are currently unavailableMembership benefits
Quick refunds on orders under US $1,000Claim now
Purchase detailsProtection with 
Purchase details
Protection with
Delivery via
Expect your order to be delivered before scheduled dates or receive a 10% delay compensation
Secure payments![]()
Every payment you make on Alibaba.com is secured with strict SSL encryption and PCI DSS data protection protocols
Refund policy & Easy Return![]()
Claim a refund if your order doesn't ship, is missing, or arrives with product issues, plus free local returns for defects