
It will cost the same as a normal electric one.
A toothbrush that tells you if you're over the limit to drive is going on sale next year.
The "brushalyser" allows drivers to test their blood alcohol levels before getting behind the wheel.
The toothbrush, which will cost the same as a normal electric one, allows users to blow into the bottom and will flash red if over the limit and green if it's ok to drive.