Key Features :

Compatible with Sony ADI / P-TTL
Per-Frame P-TTL Flash Control
On-Camera Flash & Transceiver
Recycle Time: 1.7 Seconds
Flash Control Linked to Face Detection
Up to 200 Consecutive Flashes at 10 fps
Comprehensive Control from Sony Alpha

Sony HVL-F60RM II Specs
Flash Head
Guide Number 60′ / 18.3 m at ISO 100 (200 mm Position)
Coverage Full-Frame
14 to 200 mm (with Reflector)
Bounce Head Yes
Swivel Head 180
Recycle Time Approx. 1.7 Second
Exposure Control
Exposure Control Sony ADI / P-TTL
Wireless
Wireless Operation Radio (TTL/Manual)
Up to 98.4′ / 30 m (Commander, Master, Optical Slave, Slave)
Wireless Channels 15
Wireless Groups 3
Power
Internal Power 4 x AA (Alkaline, NiMH)
External Power Pack Compatible Yes
General
Mount Shoe
Off-Camera Terminal 3.5 mm