Voltage 5, Wattage 1, Amps .2, Base E5 W/PIN, Shape T1.5, Overall Length (mm) 25MM, 5V Fixation, 1009-P, Manufacturer: Haag Streit Marco - 1009-P Slit Lamp - HS0900-1551 Replacement Light Bulb - Equipment to Lamp - 5V Fixation -1009-P - Manufacturer: Haag Streit