Yes. The sensor is powered by a CR2450 - 3V battery. When the battery level becomes low, the Home + Control app will notify you.
Updated
How can we help?
Search
<% if (previousArticle) { %>
<% } %>
<% if (previousTitle) { %>
<% } %>
<% if (nextArticle) { %>
<%= previousTitle %>
<% } %> <%= previousArticle.title %>
<% if (nextTitle) { %>
<% } %>