... alkaline batteries can dispense more than 16 gallons water under continuous water dispensing, 4 pieces fresh heavy duty batteries can ... and formula. FeaturesBattery operated, No pumping,Stream or spray,Locking spray nozzle,Quiet operation,Multi-purpose Battery operated to support ... and formula. FeaturesBattery operated, No pumping,Stream or spray,Locking spray nozzle,Quiet operation,Multi-purpose!