2-Way RFTD Module. Compatible with Directed 5-Volt LE and SST Transceiver (IVU). Viper Clifford and Python LE and SST Compatible. 1-Way and 2-Way Compatible Range Xtender. For Any Applicable XPRESSKIT Solution. Plugs Directly into CANMAX400 or DLPKKICH3. Add remote control (Directed HHU and IVU) to Standalone Remote Starts. Extend the Range of Any Applicable XPRESSKIT Application.