High Quality Reed Switch Module 
with Magnet & Mounting Gear for Door Open/Close 

This listing is for a high quality security system reed switch and magnet set.  This set comes with mounting hardware so that you can mount it to your door or garage.  There is a demonstration video above, and there are specifications for this set below.   If after you watch the video and read the specs you still have questions, please do not hesitate to ask.  We'll get back to you promptly.  

Reed Switch Board Specifications:
Length: 104mm (Without Cable)
Width: 37mm (Without Cable)
Height: 9mm
Max Voltage Across Reed Switch: 20v
Maximum Line Current: 500mA
Cable Length: Roughly 45cm

Magnet Specifications:
Length: 105mm 
Width: 14mm 
Height: 16mm