The Eiko 6S6/30V is a vintage-style, tubular incandescent light bulb that produces a warm, whitish-yellow light. Its large, round glass envelope gives it a classic look and makes it ideal for decorative applications. It has a medium (E26) base, a maximum output of 30 volts, and is rated to last up to 2,000 hours. Its classic design and bright, warm light make it a popular choice for use in home and commercial settings.