Check linuxrepos for download

pacman -Si linuxrepos/multimonitorlock


Repository      : linuxrepos
Name            : multimonitorlock
Version         : 2021.08.20-1
Description     : A simple lock script for i3lock-color
Architecture    : any
URL             : https://github.com/The-Repo-Club/multimonitorlock
Licenses        : GPL3
Groups          : therepoclub
Provides        : None
Depends On      : i3lock-color  imagemagick  xorg-xrandr  xorg-xdpyinfo  bc  bash
Optional Deps   : feh: Allows setting wallpaper
                  multimonitorlock-gui: Allows the background to be changed
Conflicts With  : multilockscreen-git  betterlockscreen  betterlockscreen-git
Replaces        : None
Download Size   : 35.23 KiB
Installed Size  : 63.12 KiB
Packager        : Wayne Wesley 
Build Date      : Fri 20 Aug 2021 15:30:05 BST
Validated By    : MD5 Sum  SHA-256 Sum  Signature

How to install from linuxrepos

pacman -S linuxrepos/multimonitorlock