Note It is not suitable for old version FrSky X9D Transmitter. Main board is not included. Description Brand: FrSky Name: FrSky transmitter main board button For: FrSky X9D/X9DP transmitter(Not for old version X9D) Resistance: 100m Max Temperature: -30 to + 80 Using times: About 300,000 times Color: Black& Silver Package 10x FrSky transmitter main board buttons