Keep your home safe with the AICO Ei146RC Smoke Alarm, the leading solution for fire detection. This mains-connected smoke detector is designed for reliability and peace of mind, featuring a 10-year manufacturer warranty. The unit is supplied with one battery, ensuring immediate setup upon arrival. The AICO Ei146RC model, with its sleek white design, blends seamlessly into any home decor while providing a constant vigil against smoke. It operates on both battery power and hardwired connectivity, offering a backup battery feature for uninterrupted protection. This smoke detector is a must-have for any responsible homeowner looking to safeguard their family and property. Product does not come in original box.