This Paralinx LP-E6 Battery Plate allows you to power your Arrow-X or Tomahawk transmitter with LP-E6 DV batteries, sold separately. It attaches directly on the transmitter and connects to it via an integrated LEMO-type cable. It can also be mounted on the transmitter via the optional Paralinx Sidearm mounting bracket. Note: This battery plate is compatible with Paralinx Arrow-X and Tomahawk transmitters only.