Works great with Samsung Smartthings using the Orvibo contact sensor device type handler. Cheapest door/window sensor I could find in Canada. Knocked one point off because the battery door is finicky and too hard to open, resulting in a couple of them getting slightly damaged during opening, because the plastic is too soft.

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Works great Hass.io or Home Assistant and Zigbee2mqtt. I've added it. One point off for terrible battery placement.

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Dear customer, thanks for your review, we are happy that you like our product, please feel free to call us at 1-866-979-7463 and email us at support@123ink.ca if you have any questions.

One sensor seems to disconnect from this order maybe a weak battery but other than that the other three I own work flawlessly.

It works well with my Samsung Smarthings. After scanning it will show up and it is easy to setup. The reason for missing one leaf is the original battery only left 65% capacity. Don't know how long it will last.

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Haven't had a chance to install yet, but seems nice

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Dear customer, We appreciate your review. We are glad that you like the product. If you have any other questions, please don't hesitate to contact us at 1-866-979-7463. Thank you and have a nice day!

Yes this will work with smart things using the Orvibo handler but it is a mediocre sensor and disconnects frequently. Will purchase their hub one day and test it with that.