Specification Brand : NJFSWNXOR BulletPoint1 : LOW VOLTAGE: The electric air pump uses low voltage internally to ensure the security of users without worrying about leakage or injury. BulletPoint2 : STABLE CONTROL: This micro vacuum pump is equipped with pressure switch and security valve to control the normal of the pump. BulletPoint3 : APPLICABLE SCOPE: Applicable to home appliance, beauty, medical equipment, vacuum packing machine, massager, pressure boosting equipment, etc. BulletPoint4 : QUIET : The portable air pump has a power of 7.2W, and generates minimal noise during , ensuring a quiet working environment. BulletPoint5 : ENGINEERING PLASTIC: The vacuum pump is made of engineering plastic, with good toughness, wear and oxidation , has a long service life. Color : One Color ExternallyAssignedProductIdentifier : 7635658433271 ItemName : 370 Vacuum Pump Self-Priming 370 Negative Pressure air Pump Mute Suitable for DC DC3V 3.7V 4.5V 5V ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-pumps Manufacturer : NJFSWNXOR ModelName : ROUPWKWO ModelNumber : NJFSWNXOR NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : NJFSWNXOR ProductDescription : [rated voltage] DC 4.5V [No-load current] 0.35A [suitable voltage] DC 3V-5V [pressure range] 400-650mmhg [Maximum vacuum]> -350mmhg ProductSiteLaunchDate : 2025-04-15T06:35:43.112Z Size : One Size UnitCount : 1 UnspscCode : 39120000