This AICO Ei146E smoke detector is a reliable and efficient option for any home security needs. The device is designed with a 230V power source and a 9V alkaline battery back-up, ensuring that it can detect any potential smoke threats without interruption. The smoke detector has a diameter of 14.8 cm and weighs 345g, making it easy to instal and use. The AICO Ei146E model comes with a battery included and features a range of aspects, including a white colour, a single battery, and a hardwired power source. It is suitable for use in any home or living space and is a great addition to any home security system. This smoke detector is expected to expire in 2035.