COMPLETE PET TRAINING & PERSONAL SIREN SYSTEMEASY-TO-USE HANDHELD UNIT GIVES USER A TOOL FOR COACHING DOGS TO STOP BARKINGUSER PUSHES BUTTON TO TRANSMIT A SILENT ULTRASONIC SOUND ONLY DOGS & CATS CAN HEARFEATURES A PULL TAB SIREN WHICH SETS OFF A HIGH-DECIBEL SIREN FOR PERSONAL PROTECTIONGIVES JOGGERS WALKERS MAILMEN DELIVERY PERSONS & OUTDOOR ENTHUSIASTS A SENSE OF SECURITYCOMFORTABLE SPORTY DESIGNUPC : 182862000272Shipping Dimensions : 8.00in X 5.50in X 2.00inEstimated Shipping Weight : 0.5301