Bower SFD35 Digital Autofocus Dedicated Flash Brand New The box is a little worn but it was my backup flash and was Never Used Compatible with Canon E-TTL / E-TTL II Guide Number: 112' at ISO 100 and 50mm Zoom Range: 28-85mm Tilts Upward 90° Rotates Right 150° & Left 180° AF Assist Light Recycle Time: 4-6 Seconds Runs on 4 AA Batteries Features The Bower SFD35 Digital Auto-Focus Flash is a fully dedicated E-TTL / E-TTL II program flash designed to work with the Canon cameras for improved flash photography. Designed with professional and amateur photographers in mind, the SFD35 flash is equipped with a guide number of 112' and has a zoom range of 28-85mm. Also the head will tilt upward 90° and rotate right 150° and left 180°. An AF assist light is available in low light situations and it has a recycle time of 4-6 seconds at full power. Runs on 4 AA batteries. An Infra-Red Auto focus assistant beam ensures proper lighting under low lighting or complete darkness conditions. Auto cut-off after 3 minutes.