(Neogen) The Electrojac 6 is an electronic ejaculator with probe sizes for bulls, rams and boars. Operates in manual mode or automatic mode, allowing for automatic advance through 40 cycles of increasing power. Wireless remote control with on/off button and dwell button, which allows user to modify or delay cycle. Probe is made from a durable rubberized material with a tapered end. The Electrojac 6 System includes remote control, 20' cable assembly, metric scrotal tape, AC battery charger, semen collection directory cone, semen collection vial, semen collection handle assembly, carrying case, and your choice of probe size. Additional probes are sold separately.