Voltage 14, Wattage 35, Base GZ4, Shape MR11, Overall Length (mm) 36, Life Hours 50, Filament C-6, 1000930-JCR/M-0035, Dental Curing, Manufacturer: Ushio L.D. Caulk - Prolight 644815 - 13165 Replacement Light Bulb - Equipment to Lamp - 1000930-JCR/M-0035 - Dental Curing - Manufacturer: Ushio