This is the Tactic 2.5GHz AnyLink Power Adapter for Spektrum Transmitters. FEATURES: Enables pilot to fly any Transmitter-Ready airplane with the Spektrum transmitters listed below Allows the AnyLink SLT 2.4GHz radio adapter (TACJ2000) to function with the Spektrum DX4e, DX5e, DX7s, DX8 DX10t and DX18 transmitters Powered by a 6.6V 200mAh rechargeable lithium iron phosphate (LiFe) battery INCLUDES: Tactic 2.5GHz AnyLink Power Adapter for Spektrum Transmitters with Power and Signal Connectors, two sections of Hook and Loop Material and Instruction Sheet REQUIRES: Charger compatible with LiFe batteries such as the LiFeSource AC/DC Balancing Charger (HCAM6375), Triton EQ (GPMM3155) and the Triton 2 EQ (GPMM3156) SPECS: Dimensions: 1.2 x 0.83 x 0.59" (32 x 21 x 15mm) Length of Signal Connector: 6.5" (165mm) Length of Power Connector: 4.25" (108mm) COMMENTS: Only compatible with the Spektrum transmitters listed above. When using the AnyLink Power Adapter, do not turn the transmitter power switch on at any time while operating the model. This will cause the AnyLink to stop sending signals to the Tactic receiver resulting in loss of control of the model. jxs 04/10/12 ir/jxs