PowerShell Timer with Alarm

Function Start-Timer {
    param(
    [Parameter(Mandatory=$true)]
    [int]$seconds,
    [Parameter(Mandatory=$false)]
    [switch]$alarm 
    )
    $a = $(Get-Date)
    For($i=1;$i -le $seconds;$i++){
        Write-Progress -Activity "$seconds Second Timer" -Status $i -PercentComplete $(($i/$seconds)*100) -id 1
        Start-Sleep -Seconds 1
    }

    if($alarm){
        For($i=1;$i -le 10;$i++){
            [console]::beep(500,300)
        }
    }
}