LE 4 Watt MR16 GU5.3 LED lamp replaces 50W halogen lamp, advanced LED Technick, 310lm, 12V AC / DC warm white, 5 pieces in each pack
I have replaced with these LED lamps old 20 halogen spotlights - works and fits extent. The luminous efficacy but I would not "replace 50W halogen" refer - I would rather say that this 4 watt lamps bring the light amount of a 20-30 watt hal
