Zooz ZSE18 Motion Sensor

Quick verdict

A small, affordable Z-Wave motion sensor that does one thing well. Magnetic mount makes placement easy, and the USB-C option saves you from battery swaps in busy areas. No bells and whistles, just reliable PIR motion detection for light automations or alerts.

Standout: Compact, affordable Z-Wave PIR motion sensor with magnetic mount and USB-C power option.

Last checked: 2026-03-22

Compatibility snapshot

Why it stands out

• compact PIR motion sensor with magnetic mount, easy to position anywhere
• USB-C power option for high-traffic areas where battery swaps get annoying
• adjustable sensitivity and retrigger interval via Z-Wave parameters

Reasons to hesitate

• battery-powered Z-Wave sensors have inherent latency compared to wired sensors
• PIR only with no mmWave presence detection for occupied-but-still scenarios
• no temperature or humidity, just motion

Best for

• hallway or closet light automation where you just need motion detection
• security-style motion alerts in a Z-Wave Home Assistant setup

Avoid if

• you need presence detection, not just motion, since PIR cannot detect someone sitting still
• you want environmental data, so get the ZSE11 Q Sensor instead

Privacy and local-control notes

Battery-powered Z-Wave motion sensor. No cloud, no data collection. Motion events stay local.

Home Assistant support: supported · integration path: Z-Wave JS.

Buying reality check

Price notes: One of the cheapest Z-Wave motion sensors. Good entry point for basic motion automation.

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