
Tuya/Tuya-ODM PIR sensors are compact Zigbee PIR motion detectors with a CR2450 coin cell, built-in light sensor and optional scene switch; they expose low-power operation and multi-year battery life but suffer inconsistent firmware/manufacturer-code behavior that can hide sensitivity and keep-time controls. Good choice for budget Zigbee/Home Assistant installs needing CR2450-powered PIRs, but expect variability in exposed settings and require a Zigbee gateway.
For DIY smart‑home users with a Zigbee hub/Home Assistant who want tiny, coin‑cell PIRs; avoid if you need guaranteed configurable settings or a Wi‑Fi device.
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