... for choice,green,red,blue Colour by water Color changing by temperature led faucet Specs1.KPT-LFL001A 30*50MM ... KPT-LFL001B 30*50MM 6Pcs leds(1)If the water temperature is under 40°C,the item wll emit blue ... light(2)If the water temperature is over 40°C,the item will emit red ... use of 32 hours .When water flows down,the water basin and the water stream can be illuminated by the ...