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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
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About Siemens OP921
THE PHOTOELECTRIC SMOKE DETECTOR (MODEL OP921) USES STATE-OF-THE-ART MICROCONTROLLER CIRCUITRY AND SURFACE-MOUNT TECHNOLOGY FOR MAXIMUM RELIABILITY. MODEL OP921 INCORPORATES AN OPTICAL SENSOR USING A LIGHT-SCATTERING DETECTION PRINCIPLE. THE DEVICE UTILIZES ADVANCED SOFTWARE ALGORITHMS TO ANALYZE THE SIGNALS PROVIDING HIGHLY STABLE AND ACCURATE SMOKE DETECTION.
