To enable this, create a smart collection named All Products and set the condition to 'Product price is greater than 0'. You can create a collection through the 'Collections' menu in Shopify admin. Or you can turn this section off through theme settings.
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Detecting Range: 0.6-73 MeterPower Source: DC 5VLanguage: EnglishPower Input: DC 10-18VSonar Coverage: 90Sonar Frequency: Wireless: 125Khz