New Arrival electronic gifts cheapest  magnetic  security door alarm office home safety   door alarm 

Specification:

1.Products have two parts,
main unit and magnet bar.
2, There are On and OFF position on the main unite.
3,Easily mounted by
stickers to windows or door and popular use in office and home
Material:ABS
Battery:AG13*3PCS

Features:

Model:MN98-SA250 Size:52*41*22MM
Magnetic stripe size:52*19*11MM
QTY:180PCS
MEAS:37*54*31.5CM
G.W/N.W:9.5/9KGS

More details and  pics :

 what is Functions  of  window door  alarm 

1. window and door alarm .It can stick on door and window

2. Pull out the key ring, alarm emit 120-125DB decible and scare away scoundrel

3.It is large sound especially use in hotel and home  . Easy to install 

4. Inside has 3pcs AG13 battery, which can keep alarming for more than 1 hour , which is more than triple of other alarm, the batttery can use for more than 5 years

5.Support OEM your own logo