MR16 LED Bulbs are multifaceted reflector bulbs. The MR16 designates that the measurement between the two pins is 16mm. Originally used in slide projectors, MR16 LED Bulbs are now most commonly used for track lighting, recessed ceiling lights and landscape lighting. They can be ordered from Astute Lighting with the guarantee of free delivery on orders equalling or exceeding £25, as well as an assured discount on multiple purchases. Also, as with the entirety of our extensive LED lighting range, our MR16 LED lightbulbs come complete with a three-year warranty.