DEFED Door Window Sensor (CoSS)

A slim designed Reed Switch, applicable for any windows or doors you want to monitor and protect. A built-in temperature sensor is also available to the AI engine for climate automation possibilities.

DEFED Alarm Door/Window Sensor Reed Switch


59 in stock

SKU LS202WH Category

The LifeSmart DEFED door window Sensor incorporates tamper protection, wireless Coss connectivity and an attractive slim design. Suitable for use as a smart reed switch on windows and doors for the home or office. This Reed Switch will send alarm notifications to you via the LifeSmart App when someone intrudes illegally triggering devices such as alarms and lighting if required.


  • Wireless CoSS operation
  • 800m (Outdoor communication distance)
  • Slim design
  • Ultra-long battery life
  • Tamper protection
  • Data Encrypted

Model Number LS202WH
Installation Wall mount
Operating Temperature -5~45C
Operating Humidity 5~90%
LED Indicator Yes
Static Consumption ≤0.01mw
Interface NC interface for extended sensor
Power Supply 1 Battery CR123A, 3V
Activation Distance 2.5cm
Battery Life Up to 10 years
Radio Protocol CoSS
Signal Range(Open Field) 800m
White/Black White
Sensor Dimension 22*22*89mm
Magnet Dimension 10*12*89mm
Casing PC
Net Weight (with battery) 44g
Gross Weight (with battery) 75g

Coming soon...

The sensor can be simply attached with provoded 3M double sided adhesive or alternatively secured in place using silicone adhesive.

Get in Touch
Fill out the form below, and we will be in touch shortly.
Contact Information
What can we do for you?

We respect your privacy. Your information is safe with us.

Login to your
LifeSmart Account