Alarm RF Module for Mains Powered Alarms with Lithium Battery Backup ESP Espire ES1RF Alarm Powered For Espire Mains Powered Alarms Compatible with ES1SLV, ES1HLV, ES1MULV, ES1CLV, ES1CHLV The Espire ES1RF is an RF module that enables wireless interconnection of mains-powered Espire alarms, eliminating the need for hardwiring between units. Compatible with ES1SLV, ES1HLV, ES1MULV, ES1CLV, and ES1CHLV models, it transforms your alarm system into a coordinated wireless network. Powered by the alarm's own mains supply and lithium battery backup, the module requires no additional power source or complex installation. Simply install the RF module into compatible alarms to establish reliable radio-frequency communication across your property, allowing all units to trigger simultaneously during detection events. This wireless solution offers flexibility in alarm placement without the constraints of hardwired connections, making it ideal for retrofitting existing systems or new installations where hardwiring is impractical. Developed by Espire and backed by Scolmore Group's distinguished expertise, it delivers seamless wireless integration with straightforward setup and dependable performance. . Brand ESP RF-Link Range 100m (open field) RF-Link Frequency 868.3MHz Max. Supported Interconnected Devices 28 Depth 14.3mm Height 57mm Width 27.5mm Guarantee 5 Years Compatible Alarms ES1SLV, ES1HLV, ES1MULV, ES1CLV, ES1CHLV Temperature range 0°C to 40°C Mounting Recessed into compatible Espire alarm Weight 0.012