Yoswit Smart Switch Controls Lights with Bluetooth

The Yoswit invention lets homeowners control their lights via Bluetooth, with no re-wiring required. The Yoswit switch can be installed without the need for a neutral wire—another standout feature of the system and can also be used to control other devices, such as curtains or door locks.

https://www.kickstarter.com/projects/yoswit/yoswit-reinvented-smart-wall-switch?token=5cb109ad