This osram sylvania brl 64610 50 watt 12 volts have a shape of t3 and a rated life of 50 hours. It has a maximum overall length of 1. 716 Inches. It has lumens of 1600, a lamp finish of clear and a diameter 0. 453 Inches. Its color rendering index is 100, and it has a base of g6. 35 2-pin. The bulb is extremely small but highly effective. Applications medicalmicroscopenight clubophthalmicprojectionfeatures osram hlx 64610 halogen lampsingle ended bulb64610hlxbrl 64610 hlxlow voltage lamp.