SpecificationsDimension: 15*14*3.5mm (L x W x H)Weight: 0.8gNumber of Channels: 1¡«6 channelOperating Voltage Range: 3.5~10VOperating Current: 20mA@5VOperating Range: >300mFirmware UpgradeableCompatibility: FrSky transmitter/transmitter modules in D16 mode FeaturesLight and compact sizeBuilt-in 6CH PWM outputsAppropriate for the indoor mini Fixed-Wing and park fly etc.