Product name:Mini oxygen pump, fish tank emergency oxygen pumpProduct size:7*6.5*2cm/2.75*2.55*0.78inch Product color; As shown in the figure Product material: plastic Product features:1.The dimension of Mini oxygen pump is 7*6.5*2cm/2.75*2.55*0.78inch2.This Mini oxygen pump is made of plastic:It is waterproof and wear-resistant, which makes it last a long time.3.This Mini oxygen pump has a unique design,It is small in size, light in weight and easy to carry; Safe and reliable, stable performance, strong gas volume, widely used.4.This Mini oxygen pump is suitable for all kinds of aquarium power outage emergency oxygenation and wild fishing or transportation of a small amount of live aquatic products, seafood oxygenation,5.You will receive 1 pcs Mini oxygen pump,which can meet your daily life need. Precautions:1. As we all know, the different computers display colors differently, the color of the actual item may vary slightly from the following images.2. !f you feei difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only.Shipment includes:1 pcs Mini oxygen pump