App illustration · phone not includedMeross
MS600 presence sensor
1 sensor · USB powered
Presence sensing over Wi-Fi
CSA record available
Wi-FiAs of October 24, 2026, 15 CSA-certified Matter sensors sold in the US had a recorded catalog price under $50. Prices move: the box below lists the ones at or under $50 at their latest store check, with the time, and the table sorts the rest by current price. Top picks, starting with our guides’ picks: Meross MS600 (Wi-Fi), Shelly Flood Gen4 (Wi-Fi), Aqara Multi-State Sensor P100 (Thread) and Arre Contact Sensor (Thread).
Updated · catalog data as of October 24, 2026 · CSA ledger read October 19, 2026 · 15 certified products with a verified US store link. We may earn a commission from retailer links. How our links work
Picks from our guides come first, in the guide’s order; then models with a store button and a photo. Every one is CSA certified for the exact model.
App illustration · phone not includedMeross
1 sensor · USB powered
Presence sensing over Wi-Fi
CSA record available
Wi-FiA pick in Best Matter sensors 2026

A pick in Best Matter sensors 2026

CSA certified, with a verified US store link
CSA certified, with a verified US store link
Current prices load here. Amazon prices come from Amazon’s product data and show for 24 hours after retrieval; other stores’ prices show for 48 hours after our check.
15 sensors, one row per store listing, CSA-certified models first, then by name. Shortlisted by the price last recorded in our catalog; the current price of each is decided in your browser, lowest first.
Current prices load here, lowest first. Amazon prices come from Amazon’s product data and show for 24 hours after retrieval; other stores’ prices show for 48 hours after our check. A price is for the pack the listing sells.
A product is on this list when it has a CSA Matter certificate matched to the exact model, is sold in the US with a verified store link, and its last recorded price was under $50. Two records that share one store listing count once, and models we have retired from our picks are left out. A list is indexed by search engines only with at least 5 such products. Editorial policy.
Not necessarily. This page shortlists the 15 certified sensors whose price last recorded in our catalog was under $50. Whether one is under $50 now is decided in your browser from fresh prices: Amazon prices come from Amazon’s product data and show for 24 hours after retrieval; other stores’ prices show for 48 hours after our check. A price is for the pack the listing sells.
Every one listed here has a CSA Matter certificate matched to the exact model (15 of 15), and a verified US store link. Price does not change what the certificate covers.
4 use Wi-Fi, so they need no Thread border router, and 11 use Thread, so they also need one. Check each row’s What it needs column.