Mount MC-31 Security Door Contact Alarm Pairs
Description:

Features:
brand new and
mount contact with pigtail for home metal door or window security alarm system.
Normally closed type, when the and is close to each other the is closed, otherwise it will be open.
The is an electrical operated by an applied field.
Designed for use with alarm systems.
Great for use in family and factory window, door.
With double-sides tape that for easily install.

Note:
No external power supply, to or alarm control panel GND and N.C ports directly!
Please note that this item not fit to iron door, It will decline of the

Specifications:
Item Type: Door
Material: ABS
Model: MC-31
Color:
Size: 6.2×2cm/2.44×0.79in (Approx.)
Actuation Distance: 16mm
current: 100mA

Operating distance: more than 15mm, less than 25mm
power: 3W
Connecting mode: NC. (normally closed)
Quantity: 1 Set (other accessories in the picture is not included)

Note:
1.Transition: 1cm=10mm=0.39inch
2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:
Pairs MC-31 Door Window (No retail package)
20 Screw