The Alpha 9 is based on the Alpha 7R II, but adds some significant improvements. It has a slightly deeper handgrip to accommodate a higher-capacity battery, and the button layout has been redesigned.
What's in the box?
Sony Alpha a9 Mirrorless Digital Camera (Body Only)
NP-FZ100 Rechargeable Lithium-Ion Battery (2280mAh)
BC-QZ1 Battery Charger
AC-UUD12 AC Adapter
ALC-R1EM Rear Lens Cap
Multi Interface Shoe Cap
FDA-EP18 Eyepiece Cup