So says Tesla CEO Elon Musk, via Twitter, of course.

The two variants that will go on sale later today are the smooth glass and textured roofs. The Tuscan and French slate will be made available "in about 6 months," according to Musk.

Update:  True to his word, the full details are now out – see our follow-up article here.

Here's the series of Tweets from Musk on the solar roof from the wee hours of the morning:

According to Musk, we should get pricing and ordering details later today, or in approximately 10 hours from the time of his first 3:56 AM (Eastern) Tweet; so about ~2 PM (ET)/~11AM (PT).

As for durability, efficiency and more, Musk previously stated: