The wireless doorbell from the company Malatec features 5-level volume control and offers up to 52 polyphonic sounds to choose from. Equipped with an LCD screen displaying temperature in Celsius or Fahrenheit (the scale can be changed by pressing the flower button). It is resistant to adverse weather conditions (IP44) and has a maximum operating range of up to 200 m, allowing it to be easily installed far from the receiver, e.g., at the gate.