A device that deters and repels birds from landing on masts, spreaders, rigging and attached apparatus of sailboats, as well as towers and outriggers of power boats. The power-boosting system generates a boosting voltage without using a voltage regulating circuit and determines boosting according to the amount of power consumption. The circuit board is located in the housing, with the circuit board having a front and a rear. The machine is operative to authenticate a configuration certificate by evaluating a digital signature associated with the configuration certificate. The liquid crystal display can realize a thin type and have a wide viewing angle. The claimed invention provides a needed therapy for a serious and debilitating disorder while avoiding complications such as bleeding tendency, toxicity and general side effects of currently available anti-coagulant agents.