Sanwa/Airtronics RX-481 2.4GHz 4-Channel FHSS-4 Receiver please refer to the product

please refer to the product instruction manuals

Futaba and more

This Powerstage Bundle includes (2) IC3 Battery / IC5 Device charge lead adapters to Smart charge your IC5 batteries on the S2100 charger

94 inches (329mm) Ground Clearance: 1

Additionally

Sanwa/Airtronics RX-481 2.4GHz 4-Channel FHSS-4 Receiver please refer to the productThis is the Sanwa RX 481 2. 4Ghz FHSS 4 4 Channel Surface Receiver, with a built in Internal Antenna. The RX 481 Super Response receiver features a built in antenna! This means no more antennas sticking out of the body, as well as no more worry about damaging the antenna during use. Just mount the RX 481 Super Response receiver in the upright position in your model and enjoy the same solid reception as you've come to expect from other Sanwa surface