<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:78273870-c2bd-4aba-a74d-c6f12f476089,g:bb1cfb26-8fbb-4288-a7d5-f4862805874a-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://lifx.com/role/Cover" xlink:type="simple" xlink:href="lifx-20241025.xsd#Cover"/>
  <link:presentationLink xlink:role="http://lifx.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_e5ccdc87-beac-486e-a045-b029fe31e0c7" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_DocumentType_e5ccdc87-beac-486e-a045-b029fe31e0c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_315d44e9-73d1-4715-8303-b5077dbe2581" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_DocumentPeriodEndDate_315d44e9-73d1-4715-8303-b5077dbe2581" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_c04145af-a8d1-4095-aefa-2f4c3bb05996" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityRegistrantName_c04145af-a8d1-4095-aefa-2f4c3bb05996" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_a4ca79ef-7299-4c35-a2e7-f3cfb7d565f9" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityIncorporationStateCountryCode_a4ca79ef-7299-4c35-a2e7-f3cfb7d565f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_8aa20e1f-37cb-41b2-b388-861e594ac9aa" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityFileNumber_8aa20e1f-37cb-41b2-b388-861e594ac9aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_5a70e87a-2d66-40f0-a0b2-07b9cedfba0f" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityTaxIdentificationNumber_5a70e87a-2d66-40f0-a0b2-07b9cedfba0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_90cef195-55ca-4e88-ba84-491eb49519cc" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityAddressAddressLine1_90cef195-55ca-4e88-ba84-491eb49519cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_86d4970e-595a-4ff2-bf95-1ff15642b001" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine2"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityAddressAddressLine2_86d4970e-595a-4ff2-bf95-1ff15642b001" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_d041b819-7444-4f5d-b9a0-c1ec07fb3e7b" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityAddressCityOrTown_d041b819-7444-4f5d-b9a0-c1ec07fb3e7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_9e50dcd9-e178-4b41-94e3-2dd6096dad3c" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityAddressStateOrProvince_9e50dcd9-e178-4b41-94e3-2dd6096dad3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_d964f778-1861-4280-80ca-c4c063c99907" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityAddressPostalZipCode_d964f778-1861-4280-80ca-c4c063c99907" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_9830db0a-357f-4eb8-bb40-72fe9013e51d" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_CityAreaCode_9830db0a-357f-4eb8-bb40-72fe9013e51d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_ed4817ae-4ab5-4ea9-a9b8-67ae1b28d701" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_LocalPhoneNumber_ed4817ae-4ab5-4ea9-a9b8-67ae1b28d701" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_710da158-7c35-46a3-bc67-494205950d2a" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_WrittenCommunications_710da158-7c35-46a3-bc67-494205950d2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_6bab3177-a12e-4932-afd7-d5bbf9ae36d8" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_SolicitingMaterial_6bab3177-a12e-4932-afd7-d5bbf9ae36d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_7770ae1c-dc3f-4648-b0c6-2191b0036332" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_PreCommencementTenderOffer_7770ae1c-dc3f-4648-b0c6-2191b0036332" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_8002eb93-3aa5-4f5e-bef8-512f2a3c8803" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_8002eb93-3aa5-4f5e-bef8-512f2a3c8803" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_cfb0c9a2-eb63-4e50-947a-75508e2f269d" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityCentralIndexKey_cfb0c9a2-eb63-4e50-947a-75508e2f269d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_eee39ea4-a34b-470a-a8f8-9d94f24f7fb6" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_AmendmentFlag_eee39ea4-a34b-470a-a8f8-9d94f24f7fb6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_fcb8beb0-b9a6-48c5-92ad-69b7c8fdffd7" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_a0272b20-5542-4515-b910-7db905faabad" xlink:to="loc_dei_EntityEmergingGrowthCompany_fcb8beb0-b9a6-48c5-92ad-69b7c8fdffd7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
