This is the R2008SB 2.4GHz S.Bus S-FHSS 8 Channel Receiver for use with the Futaba 8J 2.4GHz Computer Radio System. FEATURES: For aircraft models Dual Antenna Diversity High voltage operation (4.8 - 7.4V) Frequency hopping Spread Spectrum design S.Bus system output port and conventional system channel outputs, may also be used with conventional (non S.Bus) system servos One year limited warranty through Hobby Services beginning at date of purchase INCLUDES: R2008SB 2.4GHz S.Bus S-FHSS 8 Channel Receiver with Instruction Sheet SPECS: Modes: S-FHSS or FHSS Voltage Input: 4.8V-7.4V battery or regulated output from ESC Capable of 4 channels only in FHSS mode Compatible Batteries: NiCd, NiMH, LiPo, LiIon or LiFe Dimensions: 0.98 x 1.69 x 0.55 in (24.9 x 42.8 x 14.0 mm) Weight: 0.34 oz (9.5 g) jxs 03/23/12 ir/jxs