Digital Shower Thermometer Bath Temperature Monitor LED Display

Features:
Built-in electricity generator, self generating power-supply, makes it need no batteries to work.
High-precision temperature sensor, accurately measures the temperature of water ranging from 5C-85C with 0.5C error.
It is easy to install and remove, with no tools required; 1/2 inch nut is compatible with most of the shower equipment.
LED display, 360 degrees rotatable, easy to observe, shows the indicator light (blue/ green/ red) to help choose suitable water temperature.
Digital shower thermometer, eliminates worry of the water being too hot or too cold before stepping into the water.