This professional Meike MK-320 speedlite is designed with mini size and flexible tilt/swivel head for your convenient adjustment while shooting anywhere anytime. Except including ETTL, it also includes the fuctions of S1/S2,RPT, it includes LED light, which can help to focus and make the video. It is quite suitable for Sony series Camera(With Mi HotShoe), such as Sony A7 A7 II A7S A7R A6000 A6300 A6500 A9 A5000 NEX-7 NEX-6 NEX-5R NEX-5T NEX-3. Features: High GN: 32 Support TTL Support Manual Flash (S1/S2 mode) Support Stroboscopic mode Adjustable Tilt & Swivel Head LCD Lattice screen LED-Assistive preview focus Metal hot shoe Support synchronization of front and rear curtains Specification: Circuit design: Insulated Gate Bipolar Transistor (IGBT) Guide Number: 32 meters (ISO100, 105mm) Flash mode: TTL, M, RPT, S1, S2 Power supply: 2x AA size batteries (Alkaline or Ni-MH are usable) Up-down rotation angle: -7 (down) ~ 90 (up) degrees Left-right rotation angle: 60 (left) ~ 90 (right) degrees Lighting times: 100-1500 times (AA alkaline cell used) Recycle time: approx. 5s (for AA Ni-MH battery) Color temperature: 5600K Flash time: 1/200s-1/20000s Flash control: 8 levels of output control (1/128~1/1) Light sensing distance: 15m indoor, 10m outdoor External interface: hot shoe, Mini USB Size: 110 x 65 x 35mm Net weight: 150g Package Includes: Meike MK-320 for Sony x 1 Flash stand x 1 Carry pouch x 1 Mini flash diffuser x 1 User manual x 1 Retail package x 1