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Notion's second-gen sensor

The second-generation Notion sensor is larger than its predecessor, but has the same shape and exterior design. 

Published:Caption:Photo:Chris Monroe/CNET

New battery power

The new sensors are larger, mostly due to the change in battery power. The original sensors were powered by a small coin cell battery, now replaced by two lithium-ion AAA batteries. 

Published:Caption:Photo:Chris Monroe/CNET

Notion bridge

Notion sensors connect to your existing Wi-Fi through a Notion bridge. Each bridge can support up to 15 sensors. 

Published:Caption:Photo:Chris Monroe/CNET

Notion app

Notion's app includes a home screen where you can view each sensor and the tasks it is assigned, as well as its current status. 

Published:Caption:Photo:Screenshot by Molly Price/CNET

Notion monitors multiple senses

Notion sensors bill themselves as a great multitasking sensor. You can use one sensor to monitor multiple things, but there are restrictions to which senses go together. 

Published:Caption:Photo:Chris Monroe/CNET

Notion integration with Nest

Notion's second-gen sensors now integrate with Nest, but only if you have an iOS device. Inside the Notion iOS app, you can now view Nest thermostat readings and adjust the temperature. 

Published:Caption:Photo:Chris Monroe/CNET

Nest in the Notion app

inside the Notion app, a Nest thermostat page displays the current Nest temperature reading with a sliding bar to make adjustments. It also displays the home's average temperature based on Notion sensors set to monitor temperature. 

Published:Caption:Photo:Screenshot by Molly Price/CNET

Notion is pretty pricey

A three pack of sensors and one bridge costs $219. A single sensor is $49 and a single bridge will cost you $89. That's significantly more pricey than we've seen from other smart sensor systems such as SmartThings. 

Published:Caption:Photo:Chris Monroe/CNET

Door and window sensing

When a sensor is used to monitor opening or closing, you'll receive notifications each time an event occurs, as well as a log of prior events. 

Published:Caption:Photo:Screenshot by Molly Price/CNET
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