The Profoto B10 include features a full TTL Auto Exposure Control, a power range of 10 stops, sync capabilities with the iPhone, 0.05-2.2 second recycling time. Great small battery powered light to add to the Profoto D2 or B1x if you are doing a multiple lighting set up.

You can check here for several options of Profoto modifiers that can be used with the B10.