YK003 8 Channel Transmitter + 8 Channel Receiver board for for the P801 P802 HEMTT RC Military Truck or the P803 Crane Parts.

The latest version of P801 and P802 has been updated to 8 channels. If you have an older version of P801 P802, you can also buy this remote to upgrade to 8 channels. This remote is farther away. greater than 100 meters.

At the same time, a control channel has been added that can be used to upgrade other subsequent components.
For example, when you have this 8-channel remote control, you can upgrade to add HG-803 Lifting Arm Assemby components,
P804 U.S Radar Vehicle, P805 U.S Missile Launch Vehicle components, etc. can also be added.

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The YK003 8 Channel Transmitter control the HG-P803 Crane Lifting Arm Video

This Product include 1x 8C Transmitter,1X 8C Receiver board,1X USB Charger,1x English Manual.

This picture is for the Recveiver board .from picture you can see
Channel 1A: Steering Channel 1;
Channel 1B: Steering Channel 2;
Channel 2: Throttle;
Channel 3: Mixing Control;
Channel 4: Turn Left and right for the turret;
Channel 5: Turn Up and down for the turret;
Channel 6: Gear 1;
Channel 7: Gear 2;
Channel 8: Auxiliary Channel;
Channel 9: Auxiliary Channel or Power.

For the Transmitter details notes.please refere to the English manual as you received .