Menu Lighting | TR Bulb Ceiling/Wall Lamp TR Bulb is a clever solution for modern city living, inspired by the way people are increasingly becoming urban nomads, moving between cities and countries to pursue careers and life experiences. The first collaboration between MENU and Tim Rundle, TR Bulb is designed to be taken from apartment to apartment – installed by simply screwing it into the pendant sockets hanging in ceilings all over the world, no electrical expertise required. The dimmable LED bulb, with its elegant, spherical form hides the lamp fitting, while the opal glass diffuser creates an even, harmonious glow, preventing glare. General Dimensions: 8.66" H 7.87" W Product Weight: 1.53 lbs Assembly: Requires Assembly Details: Matte opal glass. Powder coated steel. The core structure is made from aluminum to draw heat away from the LED.