JS-244 is a microprocessor-based control unit designed for safety applications. It is part of Honeywell’s family of Enhanced Safety Devices (ESDs). The system is designed to operate with most of the existing safety systems, allowing customers to mix and match components, while providing a range of safety and security functions. The control unit is capable of monitoring multiple sensors and relays, making it suitable for complex safety applications. The unit also includes an integrated battery backup, allowing it to remain operational even in the event of a power outage.