An electrojac is a device used primarily in animal husbandry, particularly for the purpose of collecting semen from male animals such as bulls, rams, and boars. It works by delivering controlled electrical pulses to the animal's prostate, stimulating ejaculation. This method is often used in artificial insemination programs to collect high-quality semen samples for breeding purposes. The process is designed to be safe and effective. It operates in manual mode or automatic mode, allowing for automatic advance through 40 cycles of increasing power. A remote control with an on/off button and dwell button, which allows the user to modify or delay cycle. The probe is made out of a durable rubberized material with a tapered end. The size ranges from 2.5 cm in diameter and 30 cm in length to 20 cm in diameter and 60 cm in length.