·NO BALLAST-- R7S 78mm T3 LED Lights do not work with ballast. If there has ballast in your fixture, please remove it.
·Replacing 50W Halogen Bulbs-- R7S LED bulb 78mm non dimmable-Dimension: 55*15*78mm (2.17*0.59*3.07 inch ), work with 100-120V, 50W J Type Halogen equivalent.
·Long Lifespan-- Double ended flood light R7S base bulb is made of glass material which is good for heat dissipation. Energy saving, Good radiating, No radiation, Environmental protection.
·Application -- R7s t3 led bulbs used in Floodlight Replacement Bulb, Work and Security Lights, Workshop Lighting, Stage and Studio Lamp, LED Ceramic Metal Halide Lamp, Floor Lamps, Speciality Lights, General Lighting.
·Customer Service - - 7 x 24 hours customer service,hope provide the best customer experience.