Applicable soap viscosity Soap type: 1~3500mPa.s Foam type: 0.1~80mPa.s Soap volume Soap type: 1.2±0.25ml (0.5~3mL adjustable ) Foam type: 21±1ml (8~35mL adjustable ) Sensingdistance Sensor for water: 12cm (5~15cm adjustable ) Sensor for soap: 8cm (5~15 adjustable ) Remote control Sensor distance: 5~15cm adjustable Soap or foam time: 0.5~2s adjustable Power supply Transformer: AC 100~240V ; 50~60 Hz Battery : DC 6v ( 4*1.5V D alkaline batteries ) Bottle capacity 1L (Optional: 500ml,1L,1.5L & 5L ) Water pressure 0.05~0.7Mpa Water flowrate 4.5L / min (Optional: 2L,3L,4.5L & 6L / min )