Lely System Service allows certified technicians to view and update firmware on Lely products. This tool only works with a key that Lely provides to certified technicians. The products that System Service can connect to are: - Lely Discovery 90 S* mobile barn cleaner - Lely Discovery 90 SW* mobile barn cleaner - Lely Juno 150** feed pusher - Lely Juno 100** feed pusher - Lely Vector automatic feeding system