Its Selectable Red, Green, Blue LED illumination provides higher visibility and longer life compared with incandescent. Capable of flashing or continuous alarm illumination and sound, the CM-AF142SO is also vandal and weather resistant. The 'Assistance Required' text on the lens comes with the option of English language, French and bilingual. The CM-AF142SO is just part of Camden's latest range of products designed to meet the latest requirements of the Ontario Building Code and provide superior performance in all applications. Our restroom control and emergency call system solutions feature innovative and exclusive products that aren't available anywhere else.