The Aico Ei414 RadioLINK Fire/CO Alarm Interface is a mains-powered unit with a backup battery included. It has a diameter of 15 cm and is designed for hardwired installation. This alarm interface, manufactured by Aico in China, is compatible with Apple HomeKit and interfaces with Telecare/Warden Call devices. It features a 5-year manufacturer warranty and is designed to last for 10 years. The sleek white design, along with its smart features like battery backup and a 90 dB operating sound rating, make it a reliable choice for home security systems.
eBay