Description With this water temperature meter, you can easily control the temperature and provide your families (babies, the elderly, etc.) with a comfortable bathing environment without being exposed to too hot or too cold water. Features: No battery is required thanks to the built-in generator and self-generating power supply. The high-precision temperature sensor measures the water temperature from 5°C to 85°C with an error of ±0.5°C. It is easy to install and remove without any tools. The 1/2 inch nut is compatible with most shower fixtures. The easy-to-observe 360-degree rotating LED display shows the indicator light (blue/green/red) to help you select the correct water temperature, making things easier. The digital shower thermometer eliminates the worry of the water being too hot or too cold before entering the water. Specifications: Material: ABS + PC Color: Silver & Black Screw Nut: 1/2in Temperature Display: °C/℉ Temperature Range: 5~85°C (41~185°C) Measurement Accuracy: ±0.5℃. Indication Light: Blue (Time Range: ≤99 hours and 59 minutes Item Size: 81*81*30mm Item Weight: 75g Package Size: 120 x 105 x 35mm / 4.7 x 4.1 x 1.4in Package Weight: 120g Note: Thermometer set only, other accessories in the pictures are not included. Due to manual measurement, there may be some deviations, please in kind. Due to lighting or other reasons, the picture and the material object may be slightly different. Packing List: 1 * Shower Water Temperature Meter