Trying to make a puck js doorbell and need advice on range

For anyone else looking at this I just uploaded some videos - it's been a while since I did a fresh Home Assistant install so I'm impressed how it 'just works' out the box.

https://youtu.be/eQpwemNit4c

https://youtu.be/mAe6rOHZRgQ

Which link takes you to the api docs for each device?

You click on the 📚 next to each device on https://www.espruino.com/Reference - it's a bit too hidden to be honest, but the device-specific reference was something I only added a few months back