Feature(may vary by option.)

●Adopting sealed design, dustproof and waterproof. Even if the is in water, the signal reception is stable.
●The shells is made of aluminum-alloy, which is sturdy and durable, and is not easy to rust and damage.
●Lightweight, easy to install, and strong concealments.
●Strong adsorption force, with strong magnetism at the magnet-end, making the more sensitive.
●Suitable for wood/glass/plastic door.

[Normally Open]

[Normally Closed]

Description

Window Security Contact Switches Surface-Mount NC/NO Door Sensors Detector for Home Security and Burglars Alarm System door window burglars alarm
Features:
The shells is aluminum-alloy, which is sturdy and durable, and is not easy to rust and damage.
Adopting sealed design, dustproof and waterproof. Even if the is in water, the signal reception is stable.
Strong adsorption force, with strong magnetism at the magnet-end, making the more sensitive.
Lightweight, easy to install, and strong concealments.
Suitable for wood/glass/plastic door.

Specifications:
Material: Aluminum-Alloy
Model: Normally Closed/Normally Open
Size: As Shown in the Picture
Current: 0.5A
: 100V
Power: 10W
Sensing Distance: 25-35mm/0.98-1.38inch
Connection : Wire 250mm/9.84inch

Package Includes:
1 Set

Note:
Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.