Presence detection using a mesh network. Looks neat.
Cool, I’ll check it out. Do you know if he has it integrated into HA?
Based on his video yes via restapi
Look neat - cost an arm and a leg 
plugin model, 15 device kit equates to about $40 per device which isn’t terrible.
Agreed, for 1st gen the per unit cost isn’t that bad. Look forward to the reviews 