Battery driven Zigbee LED Light - Bathroom Occupied

Greetings All,

i would like to put a small battery driven LED lamp on the bathroom door which gets red when the motion sensor (hue) is activated.
Used some google fu but could not find anything…

Anyone would have a thought, idea what out there on the market?

Small box, battery driven (AAA), LED light (red/green) with a zigbee radio?

Found this:

but its a bit bulky.

thank you!
best wishes armin