Power: DC Li-SOCl2 battery (ER18505M) Series Battery life: 5years+(5,000times/month) detail Water supply pipe size: G1/2" Working pressure: 0.2 to 8 kgf/cm2 Ambient temperature range: 5 to 65 ℃ Response time: 0.5 second Water yield: 3-8L/min maximum(selectable) Flushing Method: In the 1-2 seconds when people entering the induction area, then the induction will be effective, and the indicator light will glitter for one time; when people leave about 1-2 seconds, the usage finishes. Water-saving model: only one flush for every induction. Normal model: flush one time for effective induction, and after finishing flush one time again. Detection zone: factory set 40cm Protection class: ip65 Material: ABS Chromeplate One year warranty