Item Name: For X9D X9E X9DP X12S Receiver FrSKY XSR 4GHz 16CH ACCST CPPM Receiver Modules. Features:Smart Port enabled, realizing two-way full duplex transmissionS-BUS outputCPPM outputLighter weight and physically smaller than X4RMore number of channels: 1~16ch from SBUS channel, 1~8ch from CPPM ChannelSpecifications:Dimension: 26*19.2*5mm (L x W x H)Weight: 3.8gOperating Voltage Range: 4.0~10VOperating Current: 100mA@5VNumber of Channels: XSR - 16Ch (1~16ch from SBUS Channel, 1~8ch from CPPM ChannelSuitable for:FrSky X-series Module & X9D & X9DP &X9E & X12S in D16 mode.XSR is not work with D-series Module The LBT version of XSR receiver is only work with FrSky D16-LBT Mode.PackingInclude:1 x Receiver