This water thermometer is designed for you to easily control the temperature and provide your families (babies, elderly, etc.) with a comfortable bathing environment, avoiding being exposed to too hot water or too cold. Features: Built-in power generator, self-generating power supply, requires no battery to operate. Temperature sensor high precision, accurately measures water temperature ranging 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 equipment. LED display, 360 degree rotatable, easy to observe, show the indicator light (blue / green / red) to help you choose the appropriate water temperature. Digital shower thermometer, eliminates the worry that the water is too hot or too cold before entering the shower. #39;water. Features: Material: ABS + PC Color: silver and black screw nut: 1 /2 in Temperature display: °C/°F Temperature range: 5~85°C (41~185°F) Precision of measurement: ±0.5°C