1)Basin mounted type with IR sensors,fully chrome plated brass body, sensor eye is concealled inside the nozzle. 2)Power: AC220V, 50HZ (±10%) or DC 6V with 4 ,AA size ALKALINE 1.5V batteries, or both AC110V/220V & DC6V. 3)Water inlet diameter , G1/2(inch). 4)1 min overtime protection to save water. 5)Sensor distance can be adjusted. 6)Water saving devic:2L/MIN, 4L/min. 7)DC6V type:Low voltage at 4.7V and the light of sensor will be flash to remind that the batteries is going to run out, and when the voltage is at 4.3V, the water will be shut off
