2.5V Replacement Lamp for Welch Allyn 03400-U Compatible Replacement Xenon Medical Scope Bulb for Welch Allyn 03400-U Used in medical illuminators, transilluminators, and otoscopes 1.65 Watt 2.5 Volt Single Ended Contact Base TL-1.5 Bulb Shape 20 Hours Rated Average Life 3025K Color Temperature Clear Lamp .70 in (17.9 mm) Max Overall Length .2165 in (5.5 mm) Bulb Diameter RoHS Compliant Other part numbers, 03400, WA-03400-U, WA03400U, BO03400, CA1313, CL1313, 1313 Compatible with: Welch Allyn 21110 Otoscope Welch Allyn 21111 Otoscope Welch Allyn 24000 Otoscope Welch Allyn 24011 Otoscope Welch Allyn 24020 Otoscope Welch Allyn 24031 Otoscope Welch Allyn 27200 Illuminator Welch Allyn 27250 Illuminator Welch Allyn 41110 Transilluminator Welch Allyn 73550 Handle Adapter Please Note: -Buyer pays PayPal. -Free domestic shipping is by USPS First Class Mail. -All orders placed by 3:00PM EST, ship same day Monday-Friday. -USPS tracking email will follow the evening of shipment. -International buyers, USPS First Class International can take up to 45 days to arrive. Faster options are available during checkout. -Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. -Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.