The product is a lot of 15 Littelfuse FLQ 4 Time-Delay Fuses. These fuses are designed for commercial applications and are suitable for interior use. They have a silver color and are compatible with universal smart home systems. With an on/off operation method, these cartridge-style fuses are ideal for electrical equipment and supplies in a business or industrial setting. The Littelfuse brand ensures quality and reliability in these time-delay fuses.