Main Features:
<br />- FP high speed sync: using the highest shutter speed 1/8000s, is very useful when you want to achieve creative shots with a shallow depth-of-field.
<br />- Front and rear curtain sync: the picture will be nature when shooting fast-moving subjects.
<br />- Bounce flash: soften shadows by pointing the flash head toward wall or ceiling.
<br />- Slave flash sync: to realize kinds of creative flash units off-camera.
<br />- Master flash sync: ETTL, M and MULTI modes.
<br />- Wireless group flash shoot: in this mode, the remote control flash can be divided into three groups and the flash output value of the main flash.
<br />- Creating a catch light: create a catch light to add vitality to the facial expression.
<br />- High definition LCD screen with low power display.
<br />- The camera in the picture is not included.
<br />
<br />Specification: 
<br />Guide number: 58 ( ISO 100 in meters )
<br />Flash coverage: 24 - 105mm ( 14mm with wide panel )
<br />Wireless slave mode: SLAVE / S1 / S2
<br />Flash duration: 1/1050s
<br />Flash recycling: 0.3 - 5s
<br />Wireless transmission range: 39.4 - 49.2ft ( indoor ), 26.2 - 32.8ft ( outdoor )
<br />Reception angle: 40 degree ( horizontal ), 30 degree ( vertical )
<br />Assist light effective range: 2.0 - 16.4ft
<br />External power: CP - E4
<br />Internal power: 4 x AA alkaline battery ( not included )
<br />Product weight: 0.488 kg 
<br />Package weight: 0.488 kg 
<br />Product Size(L x W x H): 7.20 x 5.00 x 17.00 cm / 2.83 x 1.97 x 6.69 inches 
<br />Package Size(L x W x H): 8.60 x 6.90 x 20.40 cm / 3.39 x 2.72 x 8.03 inches
<br />Package Contents: 1 x Speedlight, 1 x Bracket, 1 x English User Manual, 1 x Bag