The SP-4002 optical-acoustic siren is available in three color versions: SP-4002 R (red), SP-4002 BL (blue) and SP-4002 O (orange).
acoustical signaling: piezo transducer
optical signaling: ultra bright LEDs
inner metal shield
tamper protection against opening and removing from mounting surface
sealed lead acid back up battery included
Available also in blue (SP-4002 BL) and orange (SP-4002 O)