Looks like a QS-something: https://www.amazon.com/Joytech-Tesla-Wireless-Transmission-Demonstration/dp/B08S399225?th=1 <https://www.amazon.com/Joytech-Tesla-Wireless-Transmission-Demonstration/dp/B08S399225?th=1>
I can make out mA and KΩ. Terry Bowman, KA4HJH "The Mac Doctor" "If only you could see what I've seen with your eyes."—Roy Batty, Blade Runner -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/A8A14A77-8A2D-4C43-93C9-D03E758850C2%40gmail.com.