Fully compatible with Scantronic i-on range. Eaton?s SDR-RINT internal sounder enables tidier wire-free domestic installation. Offering the option of connecting via either a radio expander or control unit with built-in radio capability. The internal sounder is ideal for those hard-toreach areas out of earshot of keypads or panels – but where users need to hear system sounds. Designed with a discreet housing, the unit blends in easily in entrance halls and other aesthetically sensitive areas.