Features Fully decoded and can show the battery status clearly. Could use it to connect your camera with 7.2V battery mount plate or camera AC adapter to prolong the shooting time. Standard DC jack to supply perfect connection. DC plug socket Dimension External 5.5mm, Internal 2.1mm Spring cable, very convenient and easy to use and pack. No more interrupt during the shooting. Straight length 25cm, extended length 1m. Compatibility for Canon EOS 5DS, 5DS R, 5D Mark IV, 5D Mark III, 5D Mark II, 6D, 7D, 7D Mark II, 80D, 70D, 60D, 60Da cameras.Specification Condition 100Percent Brand New Material Plastic Color Black Type Fully Decoded Working Current 2A Voltage 7.4V8.4V DC Plug Socket Dimension 5.5mm(External), 2.1mm(Internal) Cable Length Approx. 100cm . 39.4in Weight Approx. 56g . 2.0ozPacking Including 1 * Dummy Battery with DC male spring cable