Transmitter low battery reminder The water level monitor includes a transmitter low battery reminder that alerts you before the power runs out, helping prevent unexpected monitoring gaps. Alarm function The alarm function lets you set reminders for specific times or events. The default display when the unit powers on is 0. Buzzer on/off You can turn the buzzer sound on or off; the alarm mode is not affected by this setting. Indoor temperature Celsius/Fahrenheit The monitor shows the indoor temperature in Celsius or Fahrenheit. The default setting is Celsius. Use scenarios Home water storage or sump monitoring: maintain reliable monitoring of water level and power status to reduce the risk of overflow or dry running. Indoor gardening or hydroponics: schedule irrigation reminders and monitor ambient temperature to support plant health. Small aquarium or humidifier reservoir: keep water level and temperature within desired ranges with clear, adjustable alerts.