The RadioShack® 272-1130 2-pk #46 Screw-Base Lamp is a set of two high-quality lamp bulbs designed for use in various lighting fixtures. With a bulb shape code of T-3 1/4 and a low power consumption of 6.3 volts - 250mA, these lamp bulbs provide bright illumination with a lumens output of 0.90MSCP. Made of durable glass and boasting a bulb life of 3000 hours, these lamps are built to last and ensure a reliable lighting solution for your home or office.