killswitch-applet from openSUSE:Backports:SLE-15-SP1 project

Select Your Operating System

For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Backports:SLE-15-SP1/standard/openSUSE:Backports:SLE-15-SP1.repo
zypper refresh
zypper install killswitch-applet