Standard 4point interface design enables easy installation on most shower systems, upgrading existing setups with minimal effort. material: This bath thermometer is made of quality plastic, lightweight, and easy to operate and install. Temperature measurement: Measures water temperature in degrees and provides accurate readings via the touch display, allowing you to confirm at a glance whether the water has reached the ideal temperature. Realtime display: The shower temperature display shows water temperature in real time with instant read, helping prevent scalding or cold water. Use scenarios Home renovation or retrofit: Add realtime temperature awareness to an existing shower system without major plumbing changes. Family safety: Helps keep bath temperatures within a safe range for children and elderly members of the household. Hospitality or rental properties: Quick, reliable temperature checks to improve guest comfort and safety.