RB1 1Ramsey Electronics Model No. RB1Got a problem with furry intruders in your yard or garden? Hereis a professional strength repeller designed to send those peskycritters running with their tails between their legs. A convenient,nature friendly method of keeping animals away from where youdon’t want them Around 4 watts of screaming high frequency audio. Inaudibleto humans, but a terror to animals. 3 settings for different levels of coverage Built-in piezo high efficiency speaker External trigger input for use with motion sensors and otherdetectors. Operates on 9 to 15 volts DC or AC. LED indicator shows when unit is operating. Informative manual answers questions on theory, hookupsand uses - enhances resale value, too! Add our rugged metal case for years of outdoor or indooruse.