3.1 Product size: 181mm×67mm×50.5mm3.2 Product weight: =148g 3.3 Input water pressure: 0.7bar-2.2bar(70-200kpa) 3.4 Input air pressure: 3.5bar-4.5bar(350-450kpa) 3.5 Operating ambient temperature range: -10°C~+40°℃ 3.6 Relative temperature range of operating environment:30%~75%