Seleniumの勉強中なのでSelenium版

$Driver = Start-SeFirefox
Enter-SeUrl 'https://www.epson.jp/products/colorio/ep982a3/spec.htm' -Driver $Driver

$Element = Find-SeElement -Driver $Driver -XPath '//th[text() = "消費電力"]/following-sibling::td'
Write-Host $Element.Text
$Element = Find-SeElement -Driver $Driver -XPath '//th[text() = "質量"]/following-sibling::td'
Write-Host $Element.Text
$Driver.Quit()