Excellent Futaba 14SG Airplane Version Transmitter Only Version w/ Charger. Futaba 14SGA 14 Channel 2.4GHz Computer Radio System on Mode 2. 6V 1800mAh NiMH Transmitter Battery. Receiver isn’t included. Transmitting Frequency: 2.4GHz band. System: FASSTest14CH, FASSTest12CH, FASST MULTI, FASST 7CH, S-FHSS Switchable. Power Supply: 6.0V HT5F1800B NiMH battery. Power Requirement: 3.7 – 7.4V (voltage range 3.5 – 8.4V). Extra Voltage Port: 0 – 70V DC. Size: 0.98 x 1.9 x 0.56 (24.9 x 47.3 x 14.3mm). Weight: 0.38oz (10.9g).