Aputure V-Grip VG-1 USB Focus Handle Grip Follow Focus Controller For Canon 5D Mark III II 7D 60D 5D2 5D3<br><br><br><br><br><br>Specification: <br>          Power Supply       DC 3.0V (AA 1.5V X2)           Current       &amp;le;40mA           Dimensions       148 x 44 x 36mm           Standby Time       80hours           Working Time       40hours           Camera Compatibility       Canon EOS 1D Mark IV， 5D Mark II， 5D Mark III， 7D， 60D， 600D\/T3i\/Kiss X5， 550D\/T2i\/Kiss X4， 500D\/T1i\/KissX3， 1100D\/T3\/Kiss X50   <br>Download Firmware: Click here<br>Manual: Click here<br>Package Included: <br>1 x V-Grip VG-1 Focus Handle Grip1 x Handle fittings1 x Rig mount1 x Metal column1 x Lock lever1 x USB cable1 x Firmware upgrade cable1 x User manual1 x Focus test card1 x Guarantee card1 x Brochure