SZ2000C ZIGBEE wireless battery powered low power temperature sensor
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								SM1870B RS485 interface rail mounted carbon dioxide sensor
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								SM1972C Temperature and humidity smoke sensor   volume_up  content_copy   share
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								SM5387M outdoor wind direction sensor of RS485 bus or 4-20mA or DC0-5V
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								SL9192U Wireless LORA to USB transparent transmission module
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								SLHT4 Industrial protection type temperature and humidity digital sensor
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