Bonlux R7S LED J Type 78mm Double Ended 5 Watt Warm White Tungsten Halogen Bulb 50W Replacement J78 LED Light Bulb(pack of 2) 2 Pcs 5Watt R7s Base J-Type Linear LED Halogen/Incandescent Replacement Bulb; Warm White 3000K, 120VAC Input, Not Dimmable, Don't work with dimmer switch; 5W Consumption 50W Equivalent 78mm (3 inches) Double Ended R7s Floodlight Halogen LED Replacement Bulb; Instant on full brightness, Energy saving, Good radiating, No radiation, Environmental protection; For use 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 Power: 5 Watts LEDs: 36 High Brightness 2835 SMD CRI: 80 Input Voltage: AC85-265v 50-60Hz Lumen: 400-450lm Light Color: Warm White 3000k Light Beam angle: 360 degree Lamp Base: R7S Lamp shape: J78 T3 2 x 5 Watts LED R7S Flood Light Bulb NOT suitable for use in totally enclosed fixture. <span class="a-text-bold">1 inches diameter, 3 inches length, </span>may a little bit bigger than  halogen T3 bulb, make sure the size fit your fixtures before purchase. No Ballast Required, make sure to <span class="a-text-bold">remove or bypass the ballast</span> from your existing fixture before installation. Using the ballast will cause them to flicker or destroy the LED Bulb.