Welch Allyn Equivalent 77800 Penlight Bulb [01400-EQ]. This high-quality replacement bulb is designed to perfectly fit and function with the Welch Allyn 77800 penlight model. Manufactured with precision and attention to detail, this bulb ensures optimal performance and reliability. It provides a voltage of 2.47V, guaranteeing a consistent and bright light output for accurate examinations and assessments. Designed to meet the same specifications as the original Welch Allyn bulb, this equivalent option offers a cost-effective solution without compromising on quality. It is a perfect choice for healthcare professionals, students, and anyone in need of a reliable penlight bulb. With easy installation, simply replace the old bulb with this Welch Allyn equivalent to restore the functionality of your penlight. Whether you are a medical practitioner, nurse, or simply require a reliable penlight for personal use, this bulb is an essential accessory. Invest in the Welch Allyn Equivalent 77800 Penlight Bulb [01400-EQ] and experience the same level of performance and durability as the original bulb. Ensure accurate examinations and assessments with this reliable replacement bulb.