NOTES: - Do not put the air pump too low, you should hang it on the tank. - The air pump is Non-waterproof, keep it away from water. - Regularly check the air tube is not being clogged, bent, and without any air leakage. Features: 【 Compact & Convenient 】 - Our USB oxygen pump is small, lightweight, and portable with a durable buckle. You can easily take it outdoors for fishing. 【 Low Power Consumption 】 - The power consumption of this oxygen pump is only 1.0W, with a flow rate of 240 ml/min, suitable for 1-13 gallons fish tanks, aquarium, and hydroponic systems. 【 Ultra Quiet 】 - Our air pump is Using a high-tech special internal muffler design, It is almost mute when you stand out of 1 meter. It won't disturb you reading or your child sleeping. Very suitable for placement in the bedroom or office. Specifications: Type: Aquarium Air Pump Power & Voltage: 1W, 5V Material: Silicone & Metal Air Tube Length: 1m/ 3.2ft(appr.) USB Cable Length: 1.5m/ 4.9ft(appr.) Air Pump Size: (L)x(W) 7x3cm / 2.76''x1.18''(appr.) Weight: 145g Color: Yellow, Green, Red, Black, Blue, Light Green, Light Blue Notes: Images are for illustration purposes only, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurements. Package Includes: 1 x Aquarium Air Pump (Others Not Included) The water pump is needed to be placed OUTSIDE the tank*** Why buy from us? In Oli2You, we are dedicated to bringing you only the quality yet best price products. We hope we can put a smile on your face with satisfaction after your shopping experience with us. Hope you enjoy your shopping with Oli2You. Thank you! Our working hours Monday to Friday: 9:30 AM - 5:30 PM Delivery W.Malaysia - usually 2-4 working days* E.Malaysia - usually 6-7 working days* * depending on carrier service.