Undercabinet lighting comes in three forms—strip, puck, and mini-track. Strip fixtures are the most common. The linear shaped bulb offers lots of evenly diffused, shadowless task lighting. Puck, or disc lights, cast pools of light onto counters. The light is softer, which can be more aesthetically pleasing but less beneficial for task purposes. Easy to install, track systems consist of miniature low-voltage halogen or xenon bulbs, which can be spaced according to the desired effect.