HelloRadio HR8E 2 4GHz ExpressLRS ELRS 9CH PWM RC Receiver for Fixed Wing RC Airplane BoatSpecification Beand HelloRadioModels HR8E 2 4GHz ELRS PWM ReceiverColor Black Red Yellow Optional Power Supply DC4 5 8 4VAntenna Type 18cm High sensitivity Dual AntennaWireless Protocol Pre installed ExpressLRS 3 3 0Output Channel 9CH PWMReturn Power Up to 100mw adjustable in LUA Return Battery Voltage Detection Range DC4 0 35VBus Interface CRSFWeight 11gDimensions 48 27 15 mm ±2 Binding 1 Power on the receiver the LED will be on Power off the recelver 2 Repeat Step One twice 3 Power on the receiver for the third time The LED will flash twice swiftly indicating that it is in binding mode 4 Select and confirm binding operation on the radio Package included 1x HelloRadio HR8E 2 4GHz ELRS PWM Receiver