Halogen bulb 78mm 150W 6 pack, R7S base J type double ended for floodlight and security lightItem Dimension: Diameter:9.5mm, Height:78mm, R7S Double Ended, please make sure you measure very well and compare to the bulb's size specifications before purchasing. Dimmable: These are dimmable bulbs, Give off 2100lm brightness, If you find they are flickering when dimming, please adjust the dimmer until it is stable. High Quality and Durability: easy to install, good luminescence and long life up to 2000 hours. Wide Application: They are used for home, workshop lighting, stage and studio lamp, museum, playground, factory, parking lot, billboard, construction site security lighting and so on. What You Get:6 pack 220-240V Voltage,150 watt, 2100 lumens, 2800K double ended floodlight bulbs, you could also get satisfied after-sale service. Size Note: R7S Bulb Length = 78mm. Confirm your needed size (not 118mm) before ordering!