The SOW-300 BL indikator is an optical signaling device designed for indoor installation. It offers four types of signaling by means of super bright LEDs to choose from (steady light, fast blinking, slow blinking as well as two flashes, followed by a 1-second pause). Oval enclosure of the SOW-300 BL beacon is designed for either wall or ceiling mounting. The device has tamper protection triggered by opening the enclosure.