Auto zoom 
Auto locking foot 
High-speed synchronization 
Selectable light levels 
Wireless flash 
Bouncing in all directions 
Modeling flash 
Multiple flash emissions 
Specific light control 

Covers angles of field up to 17mm lens label using built-in wide panel
 
High accuracy ADI in combination with D Lens (lens with built-in distance encoder) 
 
High-speed synchronization feature for synching with high-speed shutters 
 
Guide number: 56 (at 85mm position, ISO100) 
 
Zoom range: 24mm~85mm, 17mm with wide panel 
 
Uses 4AA batteries included in stand, good for wireless shooting 
 
Able to bounce up, down, left and right 
 
Dimension (Approx.): 3 1/8 x 5 1/4 x 4inches (W 77.5 x H 131 x D 99.5mm) 
 
Weight (Approx.): 13.1oz (370g) 
 
Material: PC 
 
Color: Black 
 
Operating Temperature: +0 to +40 degrees C (+32 to +104 degrees F) 
 
Storage Temperature -20 to +60 degrees C (-4 to +140 degrees F)
 
Compatible With Models, as well as many newer models:
 
DSLR-A100
DSLR-A100K