Easy to install surface mount. Low power consumption & high energy efficiency. Will increase your battery life dramatically. As strong as a 100 watt Incandescent bulb but only uses 20 watt. High end item, extremly heavy duty construction, weather and water proof. Designed for long term heavy use. Great for high end RV, travel Trailer, Camper, Auto, Aircraft, Boats & Marine applications. Can be used for dome, low ceiling, porch, hallway, dome light, bathroom light or inside cabinets. Manufactured in China to OZ-USA®'s high end specifications. USA Shipping (California), USA Warranty: 5 years.