... .5). Voltae. 110/220v AC.6). Lamp base. GX53.=========================================CFL GX53 lamps.1. Light ... D 75 x24.3 mm.7. Lamp holder, GX53 lamp holder, surface mounted type, recessed type. ... D 75 x24.3 mm.7. Lamp holder, GX53 lamp holder, surface mounted type, recessed type. ... Lamp holder OPTIONAL, GX53 lamp holder, surface mounted type, recessed type.11. Life span, 50,000 hours. ( function ...