please remember to remove the ballast if you replace your metal halide lamp with our r7s LED. Otherwise, the lamp will flicker Also pls make sure the size fits you. TRANSPARENT HOUSING: Our T3 J type LED lamp is made of durable and transparent glass, bring you high brightness; ENERGY SAVING: 9W LED R7S glass tube bulb consumption equivals to 100W 118mm R7S double ended T3 halogen replacement flood lights; ENVIRONMENTAL FRIENDLY: LED R7S flood light is instant on full brightness, Energy saving, Good radiating, No radiation, Environmental protection; MUTIPLE APPLICATION: LED 118mm J Type Linear Bulb is ideal for floodlight replacement bulbs, floor lamps, speciality lights, reading lamp, work and security lights, wall sconces, front garden lights, landscape lights, workshop lighting, stage and studio lighting, general lighting and garage lighting. Products from Bazhou's store