Ring Alarm Motion Detector is the top pick among smart motion sensors under $30, rated 4.7 stars across 11,386 customer reviews.
RingAlarm Motion Detector
4.7(11,386)$29.99
EufyMotion Sensor
4.5(3,108)17% OFF$29.99$24.99
YoLinkLoRa 1/4 Mile Motion Sensor
4.5(2,008)$23.99
YoLinkIndoor Motion Sensor RT
4.5(2,008)7% OFF$29.99$27.99
AqaraMotion Sensor P1
4.2(827)15% OFF$23.99$20.48
SonoffSNZB-03P ZigBee Motion Sensor
4.2(805)$16.50
ShellyBlu Motion
4.0(1,017)$25.99
SwitchBotMotion Sensor
4.0(930)50% OFF$24.99$12.49- Price alerts
Motion Sensors under $30, updated as prices fall
We check the price of every Motion Sensor in the catalog daily, and email you the ones that drop into this range.
GoveeSmart Wireless Motion Sensor
4.1(439)7% OFF$13.99$12.99
CentraliteMicro Motion Sensor
3.6(282)$24.85
SonoffSNZB-03 ZigBee Motion Sensor
3.7(210)5% OFF$18.99$18.04
ArloAll-in-One Sensor
4.1(94)7% OFF$29.99$27.90
SonoffSenseGuard Motion Gen2
3.9(99)$16.50
GoveeGoveeLife Outdoor Motion Sensor
3.6(31)$29.99
ShellyBLU Motion ZB
4.4(21)$26.99
HeimanWiFi Smart Motion Sensor
2.8(43)$12.98
HeimanSmart Motion Sensor
3.2(32)$23.99
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Frequently asked questions
What are the best smart motion sensors under $30?
Ring Alarm Motion Detector, Eufy Motion Sensor and YoLink LoRa 1/4 Mile Motion Sensor lead our ranking of smart motion sensors under $30, ordered by customer rating weighted by how many reviews back it. The full list compares 17 products in this price range.
How many smart motion sensors cost less than $30?
This page tracks 17 smart motion sensors under $30 from 11 brands, with prices starting at $12.49.
Are these prices up to date?
Prices come from each product's Amazon listing and are re-checked continuously, so every card shows the latest price we have. A product whose price rises above $30 drops off this list on the next update.
Looking for more than $30?
See all the motion sensors in the catalog, compared side by side on specs, price and rating.