China One Button Garage Door Wireless Wall Switch with Rolling Code Technology

1, Q: How many doors can your wall switch control?

A: 1 / 3 button(s) wall switch has 1 / 3 channels for 1 / 3 different signal paths,
which theoratically can control multiple doors as long as the
openers can receive the signal, so it can control at least 1 / 3 different
doors at the same time.
2, Q: Can your wall switch fit with other openers from other suppliers?

A: Yes, as long as the opener's frenquency is 433.92Mhz and with open code.
3, Q: Can I get samples from you?
A: Yes, please contact with our sales.