The X2-SIREN-002 Cyclops is an optical and acoustic warning device primarily used for door open too long (DOTL) alarms. The buzzer on the device can be customised to be either off or pulsing with adjustable volume, and the strobe can be set to continuous or flashing. By offering these custom features, the device is suitable for multiple applications. Due to the extra-large multidirectional lens cover which can be viewed from all angles, this device can be installed on either walls or ceilings which provide optimal flexibility.