Compact and easy to handle Provides rapid water temperature readings Ultrasonically welded, recycled polycarbonate main body with soft silicone outer case and a large ultrasonic polycarbonate screen with a UV filter Replaceable CR2025 battery (1 included) CE-certified and IPX7 submersible rated Carabiner-style attachment clip suitable for up to 1" webbing width Measures temperature from -30°F to 130°F (-34°C to 54°C) Temperature tolerance of +/- 2 °F (+/- 1 °C) Durable aluminum probe