How tobindwith transmitter:
1. Put the transmitter and the receiver close to each other about 50 centimeters.
2. Turn on the transmitter, then power on the R8EF.
3. There is a black button on the R8EF, press the binding button in one second until the receiver light starts blinking and release, after about 8 times blinking, match code success when receiver signal LED always on.

Specifications:
Channels: 8 channels
Working voltage: 3-15V
Working current: 30mA(input voltage: 5V)
Size: 48.5*21*11mm/1.9*0.8*0.4in
Weight: 7g/0.015lb
2048 section precision, 0.5us per section, servo anti-shake rudder.
Control distance: 2000 meters air, actually control distance depends on the environment.

Package Included:
R8EF receiver x 1