This is the Futaba R608FS 2.4GHz FASST 8-Channel Park Flyer to Giant Scale Aircraft Receiver.

FEATURES :

A full range system for all aircraft from giant scale to Park Flyer applications-no need to buy separate receiver for specific aircraft Simple one-touch binding - no plugs to mess with or lose Dual Antenna Diversity allows 2.4GHz FASST Futaba transmitter to select the best reception between the two receiver antennas with signal loss Rubber grommets installed where antennas exit to eliminate stress and fraying of the two antenna wires.

SPECIFICATIONS :

Size: 1.8 x .9 x .5" \(45 x 22 x 12.7mm\)
Power Requirement: 4.8 - 6V