Zoom & Bounce Flash For Canon POWERSHOT G12 G7 G9 G10 G11 PRO1 A650 A640 S5 IS S3 IS S90 IS SX10 IS SX1 IS SX20 SX120 IS A570 A590 E1 Includes Mounting Bracket + Lens Cleaning Kit Function : Single Slave / Pre-Flash 2 Function mode Angle of Coverage : 28mm - 70x53,85mm-32x32 Power Source : 4xAA size alkaline, NiCad or MiMH bat. Dimension (mm) : 70D x 168H -SF829TW 60D x 115H - Bracket