【Excellent Power】: The adjustable fuse pins of this multifunctional backup fuse can be used for mini/standard and maxi vehicle fuses. Compact and portable size, easy to carry and store. 【High Quality Material】: Multi-function car backup Teeur made of durable plaique, suitable for long time use. The end handle with anti-slip design, convenient to use. 【Easy Installation】: Multi-function car backup fuse for mini/standard and maxi car fuses, easy and convenient to install. Easy installation, easy to install and use, provide you with a lot of convenience. How to use: Touch the fuse to the contact point of the tester. When the green LED light turns on, it means the fuse can pass electricity normally. If the LED light does not turn on, it means the fuse has blown.You can use the extractor designed at the end to remove the blown fuse and replace it with a new one. 【Super Function】: Multi-function Blade Fuse Checker, can also be used as a handy tool to quickly and easily pull or remove