Your co-host needs to know when they're live. Your remote guest needs to know when the camera is on them. Cue Light solves both — any phone as a tally display, works over the internet, no OBS plugin required. Free to start.
The streamer problem: OBS doesn't have a built-in tally. Hardware tally lights are LAN-only and cost $200+. Remote co-hosts on Discord or Zoom have no way to know when they're live. Cue Light is a browser tab — share a link and anyone anywhere sees your tally signal instantly.
| Situation | Without Cue Light | With Cue Light |
|---|---|---|
| Remote co-host signal | Discord message, wave at camera | Tap Live — their browser tab turns green |
| In-person guest | Hardware tally ($200+) or nothing | Scan QR, fullscreen display, free |
| OBS tally | WebSocket plugin + local server | Browser tab, zero setup |
| Works over internet | ✗ Hardware is LAN-only | ✓ Cloud-native |
| Cost | $200–$600 hardware | Free |
OBS, vMix, Streamlabs, or direct to platform — Cue Light runs independently alongside your software.
Go to cuelight.io/app in any browser tab. A room code generates instantly — no login required.
Copy the display link and paste it in Discord, Zoom chat, or text. Remote guests open it in a browser tab. In-person guests scan the QR code. Both see the same tally signal.
Hit Start Stream in OBS, then tap Live in Cue Light. All connected displays go green. Use keyboard shortcuts 1/2/3/0 to keep it fast without switching windows.
Paste the display link in Zoom chat. Guest opens it — they know when the camera is on them.
Co-host is in another city. Share the link — they see green when you're live, amber when on break.
Know when your face cam scene is active. Tap the state in Cue Light — visible in peripheral vision.
Streaming from your phone? Open Cue Light on a second device as the controller, share display to talent.
Open Cue Light. Share the link. Tap green when you start streaming.