... 20% of halogen lamp 4. 30,000hrs lifespan 5. no UV or IR high brightness 1×4w MR16 led spot light with gu5 ... x 45.5 mmFeatures & Functions:-Strong point: excellent optical design with double reflector, Light more focus, Better light effect, Better ... Applications for mr16 led spot light:1. Recessed lighting, shelf lighting, ceiling/wall coves;2. Cabinet and under counter lighting, office work station ...