Introducing the DSC RM-2 End-Of-Line Power Supervision Relay, designed specifically for 4-wire smoke detectors. This essential device ensures reliable power supervision, enhancing the safety and functionality of your smoke detection system. With its advanced technology, the RM-2 provides peace of mind by monitoring the power supply, ensuring that your smoke detectors are always operational. Ideal for both residential and commercial applications, this relay is a must-have for anyone serious about fire safety. Don't compromise on safety—invest in the DSC RM-2 today and secure your environment with confidence!