1. Fast and Precise Updates: Featuring a fast 5 second update speed and wide range of 9.9 to 50 degrees Celsius, the gauge ensures consistent and accurate water temperature readings with its advanced sensor technology 2. Extended Use Capability: Designed with a rechargeable 5V battery and USB C charging support, this product operates continuously for up to 45 days at a charge, maintaining functionality for aquarium temperature monitoring 3. User Friendly Tool: Auto off after 30 seconds ensures energy efficiency while enabling single touch temperature checks for wireless and effortless usage in your aquarium setup with a cordless clean look enhancing the aesthetic appeal effortlessly 4. Readable in Any Lighting: With night view backlight and a clear LED display, this gauge ensures easy reading in any light, featuring a large 2 inch digital screen for consistent aquarium temperature updates