English native male Voice Over for short video clips instructions

At Particula we invent smart connected toys. Our flag product is GoCube, a smartphone connected Rubik’s cube. We launched a very successful kickstarter campaign and are now looking for someone to create a voice over to our videos ---> getgocube.com

27 video clips featuring short instructions that will be used as a guide in an app.
All videos are 30-40 sec long in average.
the voice over need to be timed audio sync (will provide you the video clips).
We have scripts and Our deadline is in 2 weeks.

Please send a quote for the project described above.
How many revision are included?
which of the licenses you offer would we need when putting the videos in an app?

We look forward to seeing your portfolio
Particula