1-5 of 5 Answers
You need the Hub.
Sorry, there was a problem. Please try again later.Yes you need the hub. You could use a Dlink sensor or iDevices that work via the cloud but you will have a delay.
I would recommend:
Sorry, there was a problem. Please try again later.You will need to purchase the SmartThings Hub to make this work.
Sorry, there was a problem. Please try again later.you will need a hub otherwise it won't be able to communicate to your phone app. This s not a wifi module so the hub is there to make the pipe between the sensor and your router to your phone via internet.
Sorry, there was a problem. Please try again later.You need the hub too because the mutlipurpose sensor works with the hub via wifi which then sends the alert to you via the cellphone apps.
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