presence sensor

Apollo MSR-2

Apollo Automation

mid HA: excellent local: excellent wifiesp-homebluetooth

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Apollo MSR-2 multisensor with mmWave presence sensing

Quick verdict

Apollo MSR-2 is best for advanced home assistant users who want richer room telemetry. The main appeal is excellent home assistant fit, while the main caveat is still more enthusiast-oriented than mainstream smart-home sensors.

Standout: Dense multi-sensor package for Home Assistant users who want more than simple motion triggers.

Last checked: 2026-03-22

Compatibility snapshot

Home Assistant excellent
Apple Home none
Google Home none
Alexa none
Works offline yes
Setup moderate
Extra hub needed no
Power USB-C powered sensor

Why it stands out

  • excellent Home Assistant fit
  • rich sensor set beyond simple presence detection
  • strong local-first behavior

Reasons to hesitate

  • still more enthusiast-oriented than mainstream smart-home sensors
  • setup and placement matter a lot
  • not a good pick if you do not want Home Assistant-style tinkering

Best for

  • advanced Home Assistant users who want richer room telemetry
  • buyers who want local presence plus extra environmental sensing

Avoid if

  • you want the simplest possible occupancy sensor
  • you mostly care about Apple Home, Google Home, or Alexa app polish

Privacy and local-control notes

A strong privacy and local-control option because core value comes from local ESPHome integration, not account-tied cloud services.

Home Assistant support: supported · integration path: ESPHome / native Home Assistant.

Buying reality check

Price notes: Good value for buyers who will actually use the extra sensing data; overkill if you only want basic room occupancy.

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