T10 LED bulb replaces the common T10 halogen bulb found in many boats, yachts, buses, some motorhomes, RV's and most imported 5th wheelers. The 9 LEDs are arranged on one side. Light output is similar to 10 watt halogen bulb. These high quality SMD LED replacement bulbs save power. Energy efficient, they last up to 50 times longer than a standard bulb. The latest SMD chip technology is used that provides the highest light output to consumption ratio available today.