Key benefits — why you need this water level meter Read the display easily in any lighting: adjustable backlight on/off makes the screen visible day or night without wasting power. Flexible time display and reminders: choose 12H or 24H clock format and set alarms to remind you of scheduled checks or events. Reliable remote monitoring: the transmitter includes a low-battery reminder so you won’t lose signal unexpectedly. Power versatility and low maintenance: receiver and transmitter accept battery power or external charging so the system keeps working whether it’s indoors or outdoors. Main functions and what makes it stand out Backlight on/off function: lets you turn the display backlight on or off for clear visibility and longer battery life. Time function 12H/24H: select between 12-hour and 24-hour formats. The default indicator when switched on is 0:00 in 24-hour format. Transmitter low battery reminder: alerts you when the transmitter battery is weak so you can replace or recharge it before signal loss. Alarm function: set reminders for specific times or events. The default indicator when switched on is 0: Summer on/off (buzzer sound on/off): you can mute or enable the button/buzzer sound without affecting alarm operation. Indoor temperature °C/°F: displays indoor temperature in Celsius or Fahrenheit. Default setting is Celsius. Temperature and water level measurement: monitors indoor temperature and water level with a separate transmitter and receiver. Compatibility, power and materials Receiver power options: 3 × AAA batteries or a Type-C power cable for continuous operation. Transmitter power options: 6 × AAA batteries or a built-in solar panel that automatically charges the rechargeable battery in sunlight. Design focus: battery and USB power options plus solar charging provide flexible installation choices and reduce downtime. Performance and practical details Clear status alerts: time format, low-battery notifications, alarm settings, and temperature units are all adjustable to suit your routine. Power-saving options: backlight and buzzer controls help extend battery life when needed. Simple setup: receiver and transmitter design supports indoor mounting and solar-assisted outdoor placement for continuous monitoring. Use scenarios Home basement monitoring: place the transmitter where water level needs to be tracked and get real-time alerts and temperature readouts on the receiver inside the house. Use alarm reminders to prompt manual checks after heavy rain. Agriculture or garden pond checks: use the solar-charged transmitter outdoors to monitor water level and indoor receiver to display readings. The low-battery reminder and multiple power options reduce maintenance visits. Remote pump or tank monitoring: install the transmitter near a tank or pump and keep the receiver in your workshop or office; set alarms for refill or maintenance times and select the preferred time format and temperature unit. What to expect out of the box A receiver with options for 3 AAA batteries or Type-C power cable. A transmitter powered by 6 AAA batteries or supported by an integrated solar panel that charges the rechargeable battery in sunlight. Functions available: backlight on/off, 12H/24H time format (default 0:00 in 24-hour format), transmitter low-battery reminder, alarm (default indicator when switched on is 0:), buzzer on/off (alarm unaffected), indoor temperature in °C/°F (default °C), and water level measurement. This water level meter is designed for straightforward installation, flexible powering options, and clear alerts so you can monitor water level and indoor temperature reliably without frequent maintenance.