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Nā hana nui:

When installing batteries, please pay attention to the polarity. Incorrect installation of batteries,
reversing the positive and negative terminals, may result in permanent damage to the product.
Battery malfunction or poor performance can adversely affect data communication between
products.
Power Supply:
Receiver: 3*AAA (3*1.5V) batteries/
TYPE-C Power Cable
Note: Please replace the batteries promptly when the backlight on the receiver dims or if there is flickering in the display.

Specifications:

Display Backlight On/Off Function
Time Function in 12H/24H format
(Default display on startup: 0：00 24 hours)
Alarm Function (Default on startup: Off)
Indoor Temperature ℃/℉ (Default: ºC)
Water Tank Temperature ℃/℉ (Default: ºC)
Water Tank Level Display in meters/feet (Default on startup: meters)
Water Level Depth simulated on a 10-element LCD bar grap