Bonlux R7S LED 118mm Dimmable 10W Warm White J Type Double Ended Tungsten Halogen Bulb 100W Replacement LED R7S Bulb 10Watt R7s Base J-Type Linear LED Halogen/Incandescent Replacement Bulb Warm White 2800K, Dimmable, 120VAC Input; 10W Consumption 100W Equivalent 118mm (4.7inches) 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: 10 Watts LEDs: High Brightness 2835 SMD CRI: 80 Input Voltage: AC85-265v 50-60Hz Lumen: 900lm Light Color: Warm White 2800k Light Beam angle: 360 degree Lamp Base: R7S Lamp shape: J118 T3 1 x Dimmable 10 Watts LED R7S Flood Light Bulb NOT suitable for use in totally enclosed fixture. <span class="a-text-bold">1 inches diameter, 4.7 inches length, </span>may a little bit bigger than  halogen T3 bulb, make sure the size fit your fixtures before purchase. You need a dimmer which is specifically for led mains dimming (<span class="a-text-bold">Triac dimmer</span>). Using a standard dimmer will cause them to flicker. 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.