Features:When using the high speed mode, use a Futaba digital servoOperating Voltage: 4.8 - 7.4VSpecifications:Dimensions: 35.1x23.2x9mmWeight: 6gR204GF-E S-FHSS 2.4GHz 4-Channel Micro Receiver #FUT01102202-3C$84.99PriceOut of Stock