The Precision Lighting EJT fiber optic lamp has a MR16 bulb shape and a GY5.3 base. It operates at 250 watts and 120 volts and has a color temperature of 3250 Kelvin. This clear bulb measures at 1.75 inches in length with a 2-inch diameter. This ETJ lamp is used mostly in medical dental equipment. The reflector is dichroic coated with a smooth mirror texture. Dental lamp identification numbers include: 3015, 490874, 555-5001, 10037, 70353,or HCOB40048.