led tap (ISO9001-2000) ,CE & RoHS,Chinese Patent Water Pressure operated, Temperature sensitive Copper material MOQ 20pcs LED tap1. Run by water pressure, no battery required micro hydro-electric motor inside low noise long life span, 2 year warranty efficient, can run 7-12 LEDs2. Temperature Sensitive Switch 0- 31 degree C Blue lights on 31-45 degree C Warm white lights on 45-50 degree C Red ...