Goodlife Dog Silencer Pro:
*Detects Barking up to 75 feet away
*Sound Frequencies Travel up to 200-300 feet
*Remote Control activates the device from 75 feet away
*Use with Batteries or just Plug it in
*Optional AC Adaptor and 60-foot Extension Cord
*Indoor and Outdoor Use
*Adjustable Sensitivity and Sound Frequency
*Compact and Water Resistant (with clear plastic "Rain Jacket")