High-speed sync. (HSS): Available at all shutter speeds with Sony interchangeable-lens digital cameras that feature the Multi Interface Shoe
Test button provided
Multi Interface Foot: Yes
Sync terminal: Yes (Output)
Multi/Micro USB: Yes
Power source: Two AA-size alkaline or NiMH batteries
Operating time (Approx.): 12 hours (with alkaline batteries)
Eco info: Lead-free solder is used for soldering. PVC is not used for the cables, plugs or internal wiring. Halogenated flame retardants are not used in cabinets and in printed wiring boards. Corrugated cardboard is used for the packaging cushions.