The LED Digital Shower Thermometer can give people a real time monitor of the shower temperature. It is self powered, mainly comprises a hydro power generator, a thermal sensor, and a digital LED display. With this device, you can easily monitor the real time water temperature, and take a more enjoyable shower.- The device harvests its energy from the water flow, Quick and easy installation without any tools. fits with handheld showerhead. Materials approved for drinking water.As home essential Needed - to and surprise your husband, wife or kids. (Especially for families having toddlers or babies)High-precision temperature sensor - 360rotatable waterproof led screen for better viewing.Elegant and sleek design - premium quality even fit to all hotels level.Model:LED Water Shower ThermometerThread Type:12InchFeatures:Temperature Display ()Waterproof LED Screen, 360 RotatableCalculatesUsage TimeAutomaticallyTemperature Range:0-100 32-212Measurement Error: 0.5 1Measurement Accuracy:0.5 1Timing Range:less than equal 99hours and 59minSize:81x80.6x30mm3.19x3.17x1.18InchWeight:75gColour:SilverMaterial:ABS+PCPackage Contents:1 * Water Shower ThermometerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +- 1-3cm.