This is the Futaba R6303SB 3-18 Channel FASST 2.4GHz S.Bus Micro Receiver. FEATURES: S.Bus system output and three conventional system channel outputs allows usage with conventional servos as well as S.Bus system compatible servos and gyros When linking procedure is performed, receiver recognizes the signal mode (FASST 2.4GHz 7ch mode or 8ch/10ch/Multi Channel Mode) automatically High-speed or normal operating mode One year limited warranty through Hobby Services beginning at date of purchase INCLUDES: Futaba R6303SB 3-18 Channel FASST 2.4GHz S.Bus Micro Receiver and Instruction Manual SPECS: Power Requirement: 3.7-7.4V, Usable voltage 3.5-8.4V Dimensions: 0.89 x 1.47 x 0.37" (22.5 x 37.4 x 9.3mm) Weight: 0.25oz (7.2g) jxs 08/09/12 ir/jxs