Add a Wi-Fi-based tally system to your multicamera setup using this set of two Wireless Tally Lights from Cuebi. Each light features a compact, lightweight design, shoe mounting, and a choice of USB-based or AA battery power. This autonomous system uses 2.4 GHz Wi-Fi to communicate with your compatible switcher and does not require a base station. Compatibility Blackmagic ATEM NewTek TriCaster Roland Smart Tally vMix Ross Video Panasonic Streamstar Any broadcast system supporting the TSL UMD v 3.1 or v 5.0 tally protocol Box Contains Cuebi Wireless Tally Lights with USB Cables & Straps (Set of 2) 2 x Wireless Tally Light 2 x Micro-USB Cable 2 x AA Battery Holder 10 x Hook-and-Loop Strap Carrying Case Limited 1-Year