Multi-Use Pump Zero™ Sprayer, 2 gal. (7.6 L)Easy to use, consistent pressure, no more pumping Powered by a 7. 2V rechargeable lithium ion battery and integrated pump Sprays up to 24 gallons per charge Pressure regulating switch maintains tank pressure between 14 psi and 21 psi Steel poly wand offers 3X the strength of other wands and maximum chemical compatibility Included wall charger reaches full charge in 3 hours Viton seals and gaskets provide maximum chemical resistance Tank Capacity: 2