:Compared to other similar products on the market, these temperature indicators adopt magnetic design, which can be easily and conveniently adsorbed on the surface of iron-containing objects.Our magnetic gas level indicators are ideal for measuring gas level. With multiple colors design, it represents different gas level conditions so that you can see the gas level easily, offering you a great aid in refilling fuel gas.It is made of high-quality plastic and magnet material.The length of this product is 10cm and width is 6.3cm.This product is perfectly suitable for home, household, dorm, kitchen, etc. Item Name: Thermometer IndicatorMaterial: Plastic, MagnetFeatures: User-friendly, Convenient, Labor-savingTemperature Range: 3 Degree Celsius-28 Degree CelsiusSize Details:10cm x 6.3cm/3.94" x 2.48" (Approx.) Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 x Gas Level Indicator