Spektrum SPMAR620 AR620 6-Channel Sport Receiver Gears along with select boats

along with select boats

the case length as 27mm and the ball end inner diameter as 5mm

This is the Futaba R203GF 2

Eight Plastic Spacers

4V LiPo battery with a 100C continuous discharge rating and a listed 200C burst rating

Spektrum SPMAR620 AR620 6-Channel Sport Receiver Gears along with select boatsSpektrum SPMAR620 AR620 6 Channel Sport Receiver Key Features Compact low cost, full range DSMX receiver with telemetry Antenna less design increases convenience, performance and durability Integrated flight log and receiver voltage telemetry with fly by range Streamlined, end pin design in a lightweight hard case Large bind button eliminates the need for the old bind plug Lightweight park flyer size with full range performance Ideal for most aircraft