The EC Series of low-profile plug-in smoke and heat detectors measure-up to the quality and performance standards that have made Edwards fire detection products the industry’s best price-performance buy available today. Meticulously engineered to deliver high-performance features, superb reliability, and unbeatable quality, the EC Series is a low-cost solution for conventional detection applications. The EC30U-3 photoelectric detector distinguishes itself as a performance leader in its class with its highly stable design that resists air movements caused by heating and air conditioning, and changing environmental conditions. This makes it a reliable performer ideally suited to modern building interiors.