Sentry skull is small sentient machine designed in steampunk style. The main feature is real human skull used as hull for which is used skull of fallen famous military leader to give symbolic chance to fight for his cause even after death. Sentry skull fulfill various task main in guarding perimeters and interiors of various bases and military instalation. It comes in several variants or configuration according its armamanet and equipment. The lightest variant - "Screaming Skull" is equiped only with audioprocessing unit - "The SireneL serving for realising prerecording audiowarning for any intruder found in guarded space. In case of defense, Screaming Skull is able to set high-pitch acoustic alarm for calling reinforcements or even to scare the enemy. The second variant is "Lightning Skull" equiped with high frequency tesla gun, able to stun living or mechanical intruder with several electric bolts. It is used mainly in interior spaces where heavier weaponry is not safe. Third variant "Flaming Skull" is equiped with flamethrower nicknamed "Flamegun". This configuration is used mostly for larger exterior perimeter duties and is able to destroy not only living hostiles but also mechanical and lightly armored vehicles or droids. Finaly the fourthm most heavily eqiped variant is called "The Enforcer" and is armed both with tesla gun and flame gun. It used for various kind of task and is considered as universal guarding device. Sentry Skull hovers in small altitudes thanks to its central airturbine located in the bottom of machineĀ“s chassiss. Aditional directional controls are managed via dual rocket thrusters at the rear part od unit. Sentry Skull is capable of independent decision making but in case of emergency it is able to maintain communication link with manned operation center. Although it may look like cyborg device, it is pure sentinet machine - the human remnants are used only for symbolic and decorative reasons. Unit is able perform absolutely the same way without human skull shell, and sometimes, when proper skull trophy is not right available it is quite common practice.