HN discussion: https://news.ycombinator.com/item?id=48165492
$35 for a projector should cause you to raise at least one eyebrow.
Also, as always with “IoT” type devices, they’re best kept in an isolated VLAN with no internet access.
>My $35 projector wasn't just spying on me. It was selling my network. Anyone who paid Kookeey for proxy access could route their traffic through my IP