Precise, reliable aquarium temperature monitoring designed for daily use Key benefits Accurate control: high-precision sensor chip measures water temperature from -9.9 to 50 C and updates every 5 seconds, so you see changes quickly and can prevent temperature-related stress or loss. Low maintenance power: built-in 5V battery with USB-C charging supports up to 45 days of operation with typical daily checks, reducing downtime and frequent recharging. Simple, efficient operation: intuitive on operation and an energy-saving 30-second auto shut-off extend battery life without adding complexity. Clear, all-condition readability: specially developed backlight plus a high-contrast 5 cm digit display ensures the temperature is easy to read in bright or low ambient light. Design that fits aquariums: wireless integration into aquarium design and an aesthetically pleasing surface finish provide practical functionality without disrupting tank appearance. What it does for you Keeps you informed every 5 seconds so you can react faster to heater or chiller failures, power outages, or sudden temperature swings. Reduces routine maintenance with long battery life and USB-C charging—no proprietary chargers required. Improves daily workflow for hobbyists and operators by combining fast measurement, clear display, and a compact, attractive form. Important specifications Measurement range: -9.9 to 50 C Update rate: every 5 seconds Display: high-contrast digits, 5 cm height, with backlight for low light Power: built-in 5V battery; rechargeable via USB-C Energy-saving feature: 30-second auto shut-off Integration: wireless integration into aquarium design; intuitive on operation Sensor: high-precision sensor chip for accurate readings Practical use scenarios Home aquarium monitoring: Quickly confirm tank temperature after heater adjustment, water changes, or when introducing new fish to keep conditions stable. Breeding or sensitive-species tanks: Maintain tighter control and monitor trends every few seconds to protect sensitive eggs, fry, or temperature-dependent species. Retail or multi-tank setups: Use the clear, large display during routine checks to speed up daily inspections across several tanks and reduce missed issues. Why customers choose this product Reliable, frequent updates and a wide measurement range help prevent losses from undetected temperature changes. USB-C rechargeability and long run-time simplify day-to-day use and reduce interruptions. The combination of a large, backlit display and a clean, tank-friendly design makes it practical for both visible placement and unobtrusive integration. What to expect in use Fast, repeatable temperature readings every 5 seconds for timely decision-making. Minimal charging needs: up to 45 days with normal daily checks. Easy, energy-conscious operation with automatic shut-off and a readable display under varied lighting. This unit is designed specifically for aquarium temperature monitoring and delivers precise measurements, long battery life, clear display performance, and an unobtrusive design to support reliable daily temperature control.