Specification AgeRangeDescription : adult Brand : HEYXI BulletPoint1 : ❀ PET Plastic+ Liquid Crystal + Soft Magnetic BulletPoint2 : ❀ Measure your Gas with this indicator, simply attach it to your gas for k cylinder with this magnetic Gas Indicator and it will show you how much gas is left in your for k. BulletPoint3 : ❀ This product can safely and accurately measure the gas capacity, according to the gas temperature test, measuring the temperature of -10 C~ 120 C.Will actually show you when you are low on gas, before you run out! BulletPoint4 : ❀ Works while you are using the BBQ Save money by using more gas from each cylinder Safe,accurate Reusable Works on (propane) BulletPoint5 : ❀ Size: 10*6.2cm*0.1cm/3.94"*2.44"*0.04" BulletPoint6 : The digital caliper is easy to use and can be used with any standard scale. Color : As Shown ExternallyAssignedProductIdentifier : 7683570069368 ItemDisplayWeight : 0.04 pounds ItemName : HEYXI Practical for Magnetic Gauge Bottle ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thickness-gauges Manufacturer : HEYXI Material : PET plastic + liquid crystal + soft magnetism ModelName : YLHHWVY ModelNumber : YLHHWVY NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : HEYXI ProductDescription : Feature: PET Plastic+ Soft Magnetic Measure your with this , simply attach it to your for cylinder with this magnetic and it will show you how much is left in your for . This product can safely and accurately measure the capacity, according to the temperature test, measuring the temperature of -10 C~ 120 C.Will actually show you when you are low on , before you run Works while you are using the BBQ Save money by using more from each cylinder Safe,accurate Reusable Works on () Size: 10*6.2cm*0.1cm/3.94"*2.44"*0.04"