<div class="form-group form-check"> 
    <input class="form-check-input" type="checkbox" id="<%= id %>" name="<%= name %>"
        value="<%= value || 1 %>" <%=checked ? 'checked' : '' %>> <label class="form-check-label" for="<%= id %>">
        <%= label %>
    </label> 
</div>