Key benefits Accurate, fast temperature monitoring: measures water temperature across a wide range (-9.9 to 50 C) and refreshes every 5 seconds using a modern Senso sensor—so you always see current conditions. Long-lasting, rechargeable power: USB-C rechargeable design with a durable 5V battery provides up to 45 days of operation per charge for uninterrupted monitoring. Simple, no-fuss operation: touch-activated temperature checks with a streamlined wireless design and a 30 second automatic circuit for easy, on-demand readings without cable clutter. Readable day and night: 5 cm display with self-activating night mode ensures clear, fatigue-free readings in low light. What this product does for you Prevents surprises by giving frequent, reliable temperature updates so you can act quickly if conditions change. Reduces maintenance and battery waste with long battery life and a convenient USB-C recharge. Keeps your aquarium clean and visually minimal with wireless handling and a compact display that adapts to different setups. Key specifications and features Measuring range: -9.9 to 50 C. Update rate: updates temperature every 5 seconds via a modern Senso sensor. Power: rechargeable via USB-C; 5V battery rated up to 45 days per charge. Operation: touch/finger pressure activation; 30 second automatic circuit for quick checks. Display: 5 cm screen with self-activating night mode for low-light readability. Design: streamlined wireless housing built to integrate into aquarium environments and minimize visual clutter. Practical applications and use scenarios Home aquarium: keep stable conditions for tropical or cold-water fish by monitoring temperature continuously and checking quickly with a touch when feeding or maintaining the tank. Breeding or sensitive species setups: verify precise temperature control during critical periods where even small shifts matter; the frequent 5-second updates help you notice trends early. Temporary or travel setups: use the rechargeable sensor for portable tanks or quarantine containers where running cables is impractical; long battery life reduces interruption risk. Why choose this model Combines a wide, accurate measuring range and frequent updates with modern rechargeable convenience and a readable display that adapts to low light. The result is straightforward, reliable temperature control without excess wiring or frequent battery replacements.