The Ajax Scientific EL010-0250 miniature light bulb is a GE type 41 bulb and has an E10 screw-type base. It operates on 1.5V and 0.5 amp and is suitable for use in low voltage science projects and equipment such as flashlights. The package contains 10 bulbs.

Ajax Scientific distributes scientific equipment, supplies, and instruments for industrial, research, and educational applications. The company, founded in 1984, is headquartered in Toronto, ON, Canada.