Description: This kind of bottle level indicator is safe and accurate to test the fuel capacity, which works according to the fuel temperature, with a testing temperature range of -10℃-120℃. When the fuel capacity is not enough, the indicator stick will show the data clearly before it is run out. If you need to use the fuel bottle frequently, this fuel bottle stick makes it easy for you to know the capacity. This fuel bottle level indicator is safe and accurate to use, which is reusable and easy to use, saving effort and money for you. Suitable for many fuels, this indicator is easy to use, you just need to stick it on a clean place on the bottle, and it is not easy to fall off. Specification: Material: PET. Color: show as pictures. Size: 10*6.3.cm. Temperature measuring accuracy: ±10°. Temperature measuring range: -10℃-120℃. How to use: Stick the bottle level indicator on a clean area on the lower half of the bottle. Turn on the fuel and wait several minutes before you can read your Indicator. The exterior temperature will influence the test greatly, in the winter the bar on the left will be active, and in the summer the bar on the right will be active. Note: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package included: 1x fuel bottle level indicator.