This is the Futaba R6106HF 2.4GHz FASST 6-Channel Park Flyer Receiver.
Ideal for park flyers, indoor models and helis up to 19.7" (500mm) in
length and 39.4" (1000mm) main rotor diameter
Use with any servo in normal mode or digital servos in high speed
End pin design for easy servo connections
Easy Link ensures receiver recognizes and responds only to
transmitter it is linked to
One year limited warranty through manufacturer
Futaba R6106HF 2.4GHz FASST 6-Channel Park Flyer Receiver
Linking to transmitter, installing in model and connecting servos and
Size: 0.85 x 1.53 x 0.48" (21 x 39 x 12mm)
Weight: 0.24 oz (6.7g)
Voltage Range: 4.8 - 7.4V
Antenna Length: 3/4"