Perspective window can see the amount of water, double outlet Color: white/black Capacity: 3 L Body material: 100% food grade ABS Weight: 1.2kg Gross weight: 0.91 kg Pump head: 0-20cm Pump flow: 0-220L/h Filter material: activated carbon + filter fiber + ion resin Power adapter: input AC110V-220V output DC 5V 0.5a Actual power: 1.5W Filter element replacement cycle: 15-30 days