Specification Brand : AYNEFY BulletPoint1 : Low Noise: The micro pump is designed for quiet operation and has a low noise output. This makes it an ideal choice for applications that require keeping noise levels to a minimum. BulletPoint2 : Easy to Install: The pump body is easy to install and replace, and is easy to put into use. It can be quickly and easily installed on various devices. BulletPoint3 : Work: A small electric air pump with high air rate and good performance. The shaft and 2 terminal connectors are very suitable for replacing rusted or damaged DC reduction motors on the machine. The mini size design of the air pump is easy to install and provides a lot of convenience. BulletPoint4 : Multi Functional Application: Suitable for replacing various small and medium sized massage inflation pumps, for eye massager, equipment, waist massager, etc. BulletPoint5 : Premium Plastic: Mainly made of engineering plastic material, the DC air pump is not likely to malfunction and also very for long term use. ItemName : Mechanical Drives Pumps Dc Air Pump for Machine Mini Vacuum Pump Micro Low Noise Mechanical Drives (DC3V) ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 9 centimeters ItemTypeKeyword : science-lab-pumps Manufacturer : AYNEFY ModelName : AYNEFY6srdpbhi0q-12 ModelNumber : AYNEFY6srdpbhi0q-12 PartNumber : AYNEFY6srdpbhi0q-12 ProductDescription : Spec: Item Type: Mini Air Pump Material: Engineering Plastic Power: 1.8W Air Nozzle Diameter: Approx. 3.0mm / 0.12in. There may be a small error in the manual measurement. Vacuum Rate: 0.5-2.0LPM Maximum Positive Pressure: ≥ 80Kpa, that is, 600mmHg Noise: ≤ 65db, 30cm away. Life Test: ≥ 200 hours, continuous.