The SimpliSafe SSSD1 Original Smoke Detector 1st Generation is a white, battery-powered smoke detector with a 9m operating range. It is designed for indoor use and is compatible with Amazon Alexa for smart home integration. The detector is wireless and utilizes Wi-Fi connectivity for easy installation and monitoring. Made by SimpliSafe in China, this IP/Network surveillance technology ensures reliable detection of smoke in your home. With a sleek design and easy setup, this smoke detector provides peace of mind for your home security needs.