Product · United States

SW-420 Dual Oscillator Interferometer Alarm System Normally Closed Vibration Sensor Module DIY Intelligent Automotive Robot Heli

Product no longer available. The stores we track no longer sell it; last price seen $1.96.

Price history: 2 daily prices tracked since 2026-10-19; lowest $1.96, highest $1.96.

SW-420 Dual Oscillator Interferometer Alarm System Normally Closed Vibration Sensor Module DIY Intelligent Automotive Robot Heli

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