Looking for the cheapest contact sensor with long battery life. Works with smartthings. Does not need to do anything else like temp. Lots of windows in this place. Already have about 15 of the smartthings multi sensor.
Currently looking at the
Sengled
Linkind
Ecolink
Thank you for any ideas.
Just to clarify, are you in the US? The device selection and pricing does vary, even between the US and Canada. 
If you are in the US, see the following:
yep in the US
1 Like