Feature:1. Clear Display: Large LCD screen enables a clear viewing for more convenient temperature reading and measuring.2. Accurate Work: Has small error within 1, the high accuracy makes it easy to maintain a comfortable water temp.3. Practical Use: Can memory and delete the maximum and minimum temperature, can also convert and display and .4. Wide Temp Range: Comes with a wide temperature measuring range, which is from 40 to 70, and from 40 to 199.5. Broad Utility: Allows for wide application in aquarium, fish tank and so on, very practical and simple to use.Specification:Item Type: Water ThermometerModel: TA358AMeasuring Temperature Range: -40~70/-40~199. Measurement Accuracy: 1 (within the range of 0~70/32~158). Resolution: 0.1/0.1Measurement Cycle: Every 10 seconds. Working Environment Temperature: -40~70/-40~158Battery Information: 1 x 1.5V 600mAh AAA dry battery (without battery). .Package List:1 x Water Thermometer