Buy on Amazon : br br Digital Pro Slave Flash for the Canon PowerShot G7 G9 G10 G11 PRO1 A650 A640 S5 IS S3 IS S90 br br Multi Angle Bounce Flash Head - 3 Positions Zoom Head Wide Normal And Tele br Built In Digital Slave - Auto Pre-Flash Sensor br Includes Camera Bracket - Uses AA Batteries not included br Ultra Light Weight Compact Design br Bonus Accessories Included Mini Tripod Camera Cleaning Camera LCD Screen Protector