Futaba R6208SB S.Bus 8-Channel FASST High Voltage (HV) Receiver (Rx) Full-range receiver with dual antenna diversity that can be used in any flight application Accepts a wide range of batteries, from 4-cell NiCd and NiMH packs to 2S LiFe and LiPo packs, with no regulator required PWM (Pulse Width Modulation) channels provide support for up to eight standard analog or digital servos Using the S.Bus port, it handles up to 18 channels - and makes incorrect servo-channel hookups impossible One year limited warranty