Canon WFT-E4A Wireless Transmitter for Canon 5D Mark II Digital SLR Box Contents - PowerShot SX1 IS Body, AA-size Alkaline Battery (x4), Wrist Strap NS-DC7, Optical Image Stabilizer Lens - 28mm Wide-angle, 1/2.3-inch type CMOS Sensor Total Pixels Approx. - 11.8 Megapixels, 10.0 Megapixels (Effective) Focal Length - 5.0-100.0mm f/2.8-5.7 (35mm film equivalent - 28-560mm) Wireless Controller WC-DC300, Digital Camera Solution CD-ROM, USB Interface Cable IFC-400PCU,