... plate,brass valve 2.concealed mounted in wall ,easy to install 3.CE,ISO certificate wall concealed WC toilet sensor Flusher ... water through water pressure, no mechanic wear. It, high in reliability, small in volume, low power consumption (dynamic current: 30mA). 2 ... products are sanitary, safe, energy-saving, reliable and strong in capacity of anti-interference. 5. The control circuit is designed ...