Used in medical adult laryngoscopes .95 Watt 2.5 Volt Single Ended Screw Base T-1.5 Bulb Shape 16 Hours Rated Average Life 2685K Color Temperature Frosted Lamp .63 in (16.0 mm) Max Overall Length .18 in (4.58 mm) Bulb Diameter RoHS Compliant Other part numbers, 04800, 11381, WA-04800-U, WA04800U, BO04800, CL949, CL1986, CL70492, CL70151 Compatible with: Macintosh Laryngoscope 2 Macintosh Laryngoscope 3 Miller Laryngoscope 2 Miller Laryngoscope 3 Miller Laryngoscope 4 Welch Allyn 634 Laryngoscope 2-4 Welch Allyn 640 Laryngoscope 1-4 Welch Allyn 664 Laryngoscope 2-4 Welch Allyn 674 Laryngoscope 2-4 Welch Allyn 680 Laryngoscope 2-4 Welch Allyn 684 Laryngoscope 2-4 Welch Allyn 690 Laryngoscope 3-4 Welch Allyn 692 Laryngoscope 3-4 Welch Allyn 694 Laryngoscope 3-4 Welch Allyn 40415 Transilluminator