Radiolink R7EH Receiver

R7EH, 2.4G 7channel receiver, FHSS use for Radiolink TX T4EU, T4EU-6, T6EHP-E, T6EHP-S and T7F. How to match code with transmitter: First turn on the transmitter, then give power to receiver, there is a black button near the antenna, use a thin stick press the butten two sencond and release, receiver light start blinking, after about 8 times blinking, match code success! Fail safe: when receiver can't receive signal from transmitter within 1 second, receiver will output singal:throttle zero, other channels keep the last signal from transmitter. FEATURE:FHSS, nice anti-interference. SPEC.: 1. Channel: 7CH 2. Max input voltage: 5.5V 3. Size: L×W×H: 50×24×15 Weight: 11.4g 4. Current: 19-25mA (voltage 5V)