The SilentCall Medallion Series SMOKE DETECTOR SD4-SS Bundle Of 2 is a wireless smoke detector set from the trusted brand Silent Call Communications. This bundle includes two smoke detectors, each designed with the Signature Series model for enhanced performance. With wireless connectivity, these detectors offer reliable protection for your home, ensuring you are alerted in case of a fire emergency. Ideal for home surveillance and security systems, this bundle provides peace of mind and safety for you and your loved ones.