Specification Brand EachineProduct Name Onboard Servo Receive BoardVersion V1 V2 optional Receiver 2 in 1 integrated boardServo 2g plastic gear 2Application V1 Version one socket is suitable for Eachine Mini T 28 V2 Version four sockets is suitable for Eachine Mini Mustang P 51D V2 BF109 V2 Mini F4U V2 Spitfire V2 P40 V2 A6M Zero V2 P47 V2 Package included 1 x Original 4 CH Onboard Servo Receive Board