Ultra practical shower thermometer: This digital shower thermometer helps ensure the ideal water temperature, especially for families with babies. Easy installation: 1.27 cm nut fits standard 1.27 cm water hoses, shower hoses, or hand showers. Compatible with most shower systems and installs easily without tools. 360-degree rotatable LED temperature display: The clear LED screen allows real-time temperature monitoring. The display rotates 360 degrees for optimal viewing. Switch freely between Celsius and Fahrenheit temperature units. High-precision monitoring: Features a built-in high-precision temperature sensor with a measurement range of 5–85°C and accuracy of ±0.5°C. Red light indicates low battery. Low power consumption ensures long battery life.