File::Find::Rule->file()->...->size(...) error?

find.pl

#!/usr/bin/env perl
use strict;
use warnings;

use File::Find::Rule ();

my @files = File::Find::Rule
    ->file()
    ->name('image*.jpg')
    ->in('/home/gene/tmp/pi')
    ->size('<80Ki')
;

use Data::Dumper::Compact qw(ddc);
print ddc(\@files);

ll.txt

▸ ll ~/tmp/pi/
total 8.9M
-rw-rw-r-- 1 gene gene  2.8M Mar  3 23:31 animated-01.gif
-rw-rw-r-- 1 gene gene  2.8M Mar  4 00:04 animated-02.gif
-rw-rw-r-- 1 gene gene 1002K Mar  4 14:48 animated-03.gif
-rw-r--r-- 1 gene gene   64K Mar  5 10:35 image00001.jpg
-rw-r--r-- 1 gene gene   69K Mar  5 10:35 image00002.jpg
-rw-r--r-- 1 gene gene  148K Mar  5 10:35 image00003.jpg
-rw-r--r-- 1 gene gene  182K Mar  5 10:35 image00004.jpg
-rw-r--r-- 1 gene gene  188K Mar  5 10:35 image00005.jpg
-rw-r--r-- 1 gene gene  187K Mar  5 10:35 image00006.jpg
-rw-r--r-- 1 gene gene  185K Mar  5 10:35 image00007.jpg
-rw-r--r-- 1 gene gene  192K Mar  5 10:35 image00008.jpg
-rw-r--r-- 1 gene gene  188K Mar  5 10:35 image00009.jpg
-rw-r--r-- 1 gene gene   60K Mar  5 10:35 image00010.jpg
-rw-r--r-- 1 gene gene   71K Mar  5 10:35 image00011.jpg
-rw-r--r-- 1 gene gene   59K Mar  5 10:35 image00012.jpg
-rw-r--r-- 1 gene gene   70K Mar  5 10:35 image00013.jpg
-rw-r--r-- 1 gene gene   70K Mar  5 10:35 image00014.jpg
-rw-r--r-- 1 gene gene  173K Mar  5 10:35 image00015.jpg
-rw-r--r-- 1 gene gene  187K Mar  5 10:35 image00016.jpg
-rw-r--r-- 1 gene gene  188K Mar  5 10:35 image00017.jpg

output.txt

# Run without ->size
[
  '/home/gene/tmp/pi/image00017.jpg', '/home/gene/tmp/pi/image00015.jpg', '/home/gene/tmp/pi/image00002.jpg',
  '/home/gene/tmp/pi/image00012.jpg', '/home/gene/tmp/pi/image00004.jpg', '/home/gene/tmp/pi/image00003.jpg',
  '/home/gene/tmp/pi/image00001.jpg', '/home/gene/tmp/pi/image00010.jpg', '/home/gene/tmp/pi/image00007.jpg',
  '/home/gene/tmp/pi/image00011.jpg', '/home/gene/tmp/pi/image00006.jpg', '/home/gene/tmp/pi/image00005.jpg',
  '/home/gene/tmp/pi/image00014.jpg', '/home/gene/tmp/pi/image00009.jpg', '/home/gene/tmp/pi/image00016.jpg',
  '/home/gene/tmp/pi/image00013.jpg', '/home/gene/tmp/pi/image00008.jpg',
]

# Run with ->size
Can't locate object method "size" via package "17" (perhaps you forgot to load "17"?) at timelapse.pl line 7.