![](http://www.alamy.com/thumbs/6/11BFCBD9-8180-4B31-B48C-022D87061E13/CYNXA7.jpg)
Macro shot of a magnetic switch used in security alarms on doors and windows the glass bubble measures 11mm x 2mm
Size: 5694px × 2890px
Photo credit: © Andrew Kitching / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: alarm, connection, magnetic, property, protection, secure, security, switch