$29.95 for an Ultrasonic Bark Control Device (Don’t Pay $89)

Highlights

• Four levels of operation including test mode (can be heard by humans)
• Internal microphone to identify barking sounds
• Power indicator can be set to “off” to conserve the battery
• Weatherproof - can be hung on a tree, left in the yard or used inside
• Sensitivity levels activated at 5, 10, 15 metres
• Weatherproof and water resistant
• Low battery indication
• Three range levels
• On/off switch