APC MS-RH/P/A MS Remote Alarm LED, Pilot LED and a Horn 05/12 The momentary type switch is

The momentary type switch is very easy to see due to its highly visible yellow color

or with the addition of a single gang strobe only or enhanced sounder / LED strobe assembly

Replace with: SIGA-OSD Signature Optical Smoke Detector

Ceiling mount models are available in Wheelock patented MCC multi-candela ceiling strobe with field selectable intensities of 15/30/75/95cd or the high intensity MCCH strobe with field selectable 115/177cd

APC MS-RH/P/A MS Remote Alarm LED, Pilot LED and a Horn 05/12 The momentary type switch isThe MS RH P A remote accessory is designed to be used with the Air Products and Controls Duct Smoke Detectors to provide audible and visual indication. These devices are constructed of attractive, yet durable brushed stainless steel and mount on a standard single gang electrical backbox.