Features: Experience the convenience of water quality monitoring with our high precisions Water Quality Tester Pen, featuring temperature measurement capabilities for result. Crafted with a sensitive alloy probe and advanced electrodes, ensuring accurate readings from 1-9999μS and temperatures ranging from 0°C to 80°C (32°F to 176°F). For individuals, enthusiasts, and professional in laboratory setting, this water tester pen is a must tool for anyone needing to checking water purity frequently. This tester pen is perfect for a wide of applications, including drinking water assessment, pool maintenance, aquaculture, and wastewater management. Equipped with a clear display and power by button cell battery, this portable water quality tester ensures you can easily track of water safety. Specifications: Material: ABS Measurement: Temperature: 0-80℃(32-176℉) Battery: 2x1.5V Batteries Requires(Include) Size: About. 155x31mm/6.10x1.22in Package Includes: 1pc Electrical Conductivity Meter note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.