The FireAngel Optical Smoke Alarm FA6620-R in White is a reliable and essential home security device that detects smoke quickly and efficiently. With a battery included, this smoke detector is a practical choice for homeowners looking to safeguard their living space. The sleek white design complements any home decor, making it a discreet yet effective addition to any household. The First Alert 3120B model is known for its accuracy and dependability, providing peace of mind for families and individuals in need of reliable smoke detection.