The Cardin S476 is a 2-channel remote control with a frequency of 433.92 MHz, a black housing and green buttons.
The transmitter uses a fixed code, which you set with DIP switches. Set the DIP switches to the same position as on your existing transmitter or receiver, and the S476 works with your installation straight away.
The remote control has a range of 100 metres in open field and is supplied with an A23 12V battery.