This is a FTA27 Data Storage Module for Futaba 10C. FEATURES: Module holds 128k of information or 33 additional models This module simply plugs into the transmitter INCLUDES: One Compac FTA27, 33 Model Storage Module (for 10C) SPECS: Storage Space: 128k COMMENTS: This will only work on the 10C. JiM 11.18.08 ir/jxs updated jpg 10/26/09