WirthCo Battery Doctor ATM LED Mini-Fuses - 5 Pack Assortment are designed to do the thinking for you by lighting up when they burn out. They are ideal for automotive, marine, agricultural, RV and more. These LED fuses save time and remove the guesswork from searching for a burned out fuses; they’re ideal for those hard to see areas. Each fuse is color coded to indicate the amperage (10, 15, 20, 25 and 30 amperes). All of the fuses feature an enclosed element to prevent shocks, sparks and corrosion and they are designed to OEM specifications. For over 30 years, WirthCo has been a prime manufacturer of practical products for making life easier and safer. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.