mr16 led spot lamp 2. double reflector design 3. energy saving, 20% of halogen lamp 4. 30,000hrs lifespan 5. ... 1×4w mr16 led spot lamp with gu5.3 baseBase Parameters:Reference number: MR16SXX-00Base: GU5.3Power: 4 W Beam Angle ... saving: Electricity consumption is only 20% of halogen lamp-Long life: 30,000-40,000hrs, 20 times ... source, heat is only 1/4 of halogen lamp-No UV or IR-Light up immediately, no ...