Below is a group product of Wireless/Wired Magnetic Switch(Contacts).
Product List
Wireless Rolling (Shutter) Detector (L&L-108MS)
Feature:
1: Power requirement: ...
[Last Updated: 2009-07-17]
Wireless Magnetic Switch (L&L-101)
1: Power requirement: DC=12V-8.4V(A23DC=12Vbattery inside)
2: Current ...
[Last Updated: 2009-07-17]
Wireless Rolling (Shutter) Detector (L&L-108MS)
Feature:
1: Power requirement: ...
[Last Updated: 2009-07-17]
Magnetic switch(L&L-199MS)
1: Anti-fire ABS shield
2: Connecting mode: N. C. / N. O.
3: Rated ...
[Last Updated: 2009-07-17]