IndiPRO Power Grid & XLR Audio Box with Dual LP-E6 Plates for Sony a7 Camera IndiPRO Power Grid & XLR Audio Box with Dual LP-E6 Plates for Sony a7 Camera - IndiPRO 1 Year Limited Warranty Connectors: Connector 1: Sony a7 dummy battery (power) Battery Plates: Canon LP-E6 type Audio In: 2x 3-Pin XLR female Audio Out: 3.5 mm stereo mini jack Power Compatibility: 7.2 VDC Cable Length: 18" / 45.72cm Dimensions: 3.5 x 3.1" / 8.89 x 7.87cm