No batteries required. The device harvests its energy from the water flow
Quick and easy installation without any tools, fits with handheld shower-head
Newest innovated technology to upgrade and modernize your bath room; self powered battery free thermometer to monitor your shower temperature.
High-precision temperature sensor 360°rotatable waterproof led screen for better viewing.
LED Display Shower Water Thermometer is used to monitor your shower
Thread type: 1/2 NPT
Temperate range: 5-85℃