The Gentex SSPK24 Colored Lens Series is a wall mount speaker/strobe that offers a quality speaker and visual alarm for warning and emergency notification. Applications include severe weather, evacuation, emergency response and many more. The SSPK24 Colored Lens speaker/strobe offers a 24VDC, fixed 15/75 candela strobe in lens colors of amber, blue, green and red. The SSPK24 colored lens speaker/strobe can be mounted in a 4" square x 2-1/8" deep back box, an extension ring is not needed. The Series provides a 25 or 70.7 VRMs speaker with field selectable power taps of 1/8W, 1/4W, 1/2W, 1W, 2W or 4W.