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SwitchBot
SwitchBot
SwitchBot
8.9
Gadget Flow Rating

SwitchBot Smart mmWave Radar Presence Sensor

Get it forGet it for $29.99
Add Reminder
Add to Collection

SwitchBot Smart mmWave Radar Presence Sensor: Tech Specs

Battery lifeUp to 2 years (on 2 AAA batteries)
Detection angle120°
Detection range (moving)Up to 26 ft (8 m)
Detection range (stationary)Up to 16 ft (5 m)
Batteries2 × AAA (included), alkaline
Dimensions2.1" D × 1.2" W × 2.1" H
Weight4.2 oz
Platform supportSwitchBot Hub, HomeKit via SwitchBot Matter Hub, Alexa, Google Home, Home Assistant
AI lead Stop any time
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Discovered on Nov 21, 2025, 12:30 pm EST
Discovered by Lauren Wadowsky
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Gadget Flow is the original product discovery platform that keeps you up to date with the latest tech, gear, and most incredible crowdfunding campaigns. Reaching over 31 million people per month, we also have iOS and Android apps that support AR and VR for next-level product exploration.

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We keep you updated with the latest tech product announcements for everything from the newest drones to obscure gaming gadgets. Our team discovers unique products and covers the latest crowdfunding campaigns. Save gadgets to your private or public wish lists, check out our team’s expert reviews, and purchase products directly from trusted sellers.

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Gadget Flow is headquartered in New York City, and most of our team works remotely from the US and Europe. We are tech enthusiasts who love to learn about new technologies and the latest innovations. Talented individuals who are passionate about the future, we work tirelessly and love to excite you and teach you about advancements in our field.

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We simplify product discovery. This means you can find all the greatest gadgets in record time. As a technology company, our mission since 2012 has been to make it easy for you to discover quality products and stay updated with the latest trends.
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What Is a Gadget?
It’s the gear you can’t live without: the smartphone you constantly check, the camera that goes on every vacation, and the TV for binge-watching and gaming. All the coolest gadgets owe their existence to a new technology that changed it all.
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Gadgets include everything from phones like iPhone and VR headsets like Oculus to gaming consoles like PlayStation 5 and robots like Roomba.
What Gadgets Are Trending Today?
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