Specification: Rated Voltage: DC 3V Rated Current: 95 mA DC Resistance: 32Ω±10% Rated Power: 0.25 W Working Pressure: <300 mmHg Airtight: <3 mmHg / min Discouraged Time: <4 Second (100cc vessel from 280mmHg to 15mmHg time) Diameter:Φ3mm Size: 12*10*20mm Applications: a one-way, normally open type, widely used in medical equipment, Massage equipment and other field. Package Include: 1PCS x Solenoid Exhaust Valve Air Valve