Feature: 1. REAL TIME DETECTION: Thermometer can detect water quality and temperature in real time, the temperature measurement cycle is once every 30 seconds, all weather detection of water quality fluctuations in the fish tank, easy to respond. 2. CLEAR PICTURE QUALITY: LCD liquid crystal screen, clear picture quality, sharpness fonts, the temperature change of the fish tank can be clearly displayed on the screen. 3. WATERPROOF DESIGN: Aquarium thermometer has a built in waterproof sealing rubber rings, no seams, truly 360 degrees waterproof. 4. HIGH ACCURATE PROBE: ±0.1°C high accurate probe, thermistor enameled wire accurate sensor, small body contains large energy, easy to grasp the temperature of the fish tank. 5. HIGH DEFINITION READING: Fish tank thermometer with high definition reading, intuitive and convenient, clearly visible and easy to read, more convenient to operate in the dark environment. Specification: Item Type: Aquarium Digital Thermometer Material: Plastic Use: Fish Tank TDS Water Quality Testing Thermometer Application: Aquascape, Fish Tank, Tortoise Tank, Freshwater Tank, Etc. . Package List: 1 x Thermometer Note: Seawater is not applicable