Water Tank Level Indicator Monitor your water tank levels from indoors with a clear digital display. It shows realtime water depth from 1 to 5 meters with an accuracy of ±0.05 m, and it also provides indoor temperature readings for added convenience. Solar Powered Operation The transmitter unit has a builtin solar panel that automatically charges its rechargeable batteries during daylight hours, providing continuous operation without frequent battery changes. It is IP65 rated for reliable weather resistance. Dual Power Supply Options The receiver can be powered by either 3 AAA batteries or the included TYPEC power cord, offering flexibility for various home setups. It displays time in 12H or 24H format and includes adjustable backlight and adjustable key sound settings. Comprehensive Monitoring Features Track both water temperature (40 C to 60 C) and indoor temperature (0 C to 50 C) simultaneously with 0.1 C resolution. The alarm function and low battery reminder help you maintain tank conditions. Practical Use Scenarios At home monitoring: view water depth and indoor temperature from a living room or kitchen to ensure timely refills and stable conditions. Outdoor or sunexposed tanks: solar powered transmitter reduces maintenance, with reliable IP65 protection for rain and humidity. Flexible layouts: receiver can run on 3 AAA batteries or TYPEC power, with 12H/24H time display, backlight, and alarms to suit different room placements.