Introducing the TOPCON 20W 6V (model number 40340-20), a high-quality unit perfect for your lighting needs. This lamp was designed by DONAR, a trusted brand on the market. With its cutting-edge features and durable construction, you can be sure you're getting a reliable product that's worth your investment. This lamp is ideal for a variety of purposes including commercial, industrial and personal use. The TOPCON 20W 6V is a must-have for anyone who needs a reliable lighting solution. With its exceptional performance, you can be sure this lamp will meet all your needs.