Fast and precise updates - 5-second update speed with a wide -9.9 to 50 degrees Celsius range - Advanced sensor technology delivers consistent, accurate water temperature readings Rechargeable convenience - USB-C charging with a built-in 5V battery - Up to 45 days of use per charge for uninterrupted temperature monitoring Convenient usage - 30-second auto shut-off for simple, low-maintenance operation - Single-touch temperature access and wireless cordless design for a clean, modern look in any aquarium Clear low-light display - Night view backlight and bright LED display - Large 2-inch digital screen for easy, precise readings in all lighting environments Use scenarios - Daily monitoring of freshwater or saltwater aquariums to maintain stable temperatures - Nighttime checks in dim rooms or cabinets thanks to the backlit display - During water changes or heater adjustments to quickly verify target temperatures This gauge stays true to its original specifications and functions, providing fast updates, long-lasting power, and clear visibility for reliable aquarium temperature management.