Specification Brand : Reland Sun BulletPoint : Reland Sun ExternallyAssignedProductIdentifier1 : 0717066363665 ExternallyAssignedProductIdentifier2 : 717066363665 ItemName : 3.3-5V Digital Barometric Pressure Sensor Module Liquid Water Level Controller Board 0-40KPa for Arduino 3.3V-5V ItemTypeKeyword : instrumentation-amplifiers Manufacturer : Reland Sun Material : Copper MaximumSwitchingVoltage : 30 volts NumberOfItems : 1 OperationMode : Automatic PartNumber : 717066363665 ProductDescription : Product Introduction: 1.Size: 19*18mm (2mm fixing hole) 2.Voltage: 3.3-5V 3.Pressure: 0-40KPa 4.This module adopts high precision AD sampling chip and 0-40KPa air pressure sensor. And it can connect 2.5mm soft tube and detect the water level and other air pressure 5.Adopt 5K ohm resistor bridge sensor, and specific air pressure value needs calculating. ProductSiteLaunchDate : 2019-07-30T08:54:02.533Z UnitCount : 1 Voltage : 3.3 volts