This Eiko 10146 halogen lamp has an MR16 bulb shape and a GX5.3 base type. It operates with 150 watts and 20 volts and will typically last an average of 500 hours. This bulb has a base down/horizontal burning position. The 10146 bulb's corresponding ANSI code is DDL. This lamp can be used in microscopes, microfilm, graphics arts and medical equipment.