Wireless Tally Light for $10 M5Stick-C (ESP32-Board) for vMix- Page 4
Wireless vMix Tally Light with ESP8266 (NodeMCU) Arduino IDE - YouTube
Tyst Vmix 1600 Switcher Control Panel With Wireless Tally Light Video Recording Switchboard For Vmix Tv Broadcast Live Streaming - Photo Studio Kits - AliExpress
TS3019 - Wireless Multi-Camera Tally System - AVMATRIX
Amazon.com : AVMATRIX TS3019-6 200 Meter Wireless Multi-Camera Tally System with 1x Tally Box and 6X Tally Lamps : Electronics
Cuebi Wireless Tally Camera Light System - Event-Stuff.co.uk Event Hire
vMix wireless two way walkie talk and tally installation video - YouTube