Dorcy 41-1644 40-Lumen, 4.5-Volt–6-Volt LED Replacement Bulb

The 40-Lumen 4.5-Volt LED Replacement Bulb is a 10-year bulb providing 30 lumens of light for up to 100,000 hours of use. Operates with any 3, 4 or 6-volt lantern.