Same error even with it reinstalled in the Strawberry directory

#!/usr/bin/perl
use strict;
use warnings;
use WKHTMLTOPDF;
my $filename='test.html';
my $path='/temp/';
my $inputfile="$path$filename";
my $outputfilename='test';
my $ext='.pdf';
my $outputfile="$path$outputfilename$ext";
my $pdf = new WKHTMLTOPDF;
my $path1='/Strawberry/wkhtmltopdf/bin/';
$pdf->bin_name($path1);
$pdf->_input_file('/temp/TEST.html');
$pdf->_output_file('/temp/TEST.pdf');
$pdf->_input_file($inputfile);
$pdf->_output_file($outputfile);
$pdf->grayscale(1);
$pdf->generate;
<code>
couldn't find command '/Strawberry/wkhtmltopdf/bin/' at C:/Strawberry/
+perl/site/lib/MooseX/Role/Cmd.pm line 117.
        MooseX::Role::Cmd::run(WKHTMLTOPDF=HASH(0x6d59d0), "/temp/test
+.html", "/temp/test.pdf") called at C:/Strawberry/perl/site/lib/WKHTM
+LTOPDF.pm line 645
        WKHTMLTOPDF::generate(WKHTMLTOPDF=HASH(0x6d59d0)) called at ht
+mlpdf.pl line 20
[download]