2pcs EFP 12V 100W RM-105 Donar Bulb for ELMO VP-D100 ST-600 ST-800 K-100 SM Elmo HiVision SC-18 8mm projector K110 SM K120 SM K-110SM K-120SM ST-180E ST-600D ST-180 GS-800 S710D S-710D S710-D S-710-D These lamps are Donar Brand Only. Rexim is an authorized distributor of Donar Lamps. 12V, 100W, MR16 ANSI CODE: EFP Description: 50mm Dichroic Reflector Filament: C-6 ; Base: GX5.3 Operating Position: BD/HORIZ; Life (hrs.): 50