The PetSafe PBC-1000 Ultrasonic Bark Control system is an easy to uese table-top unit to stop dog barking. The unit is activated by the dog's bark and will emit a "loud" ultrasonic tone that only your dog can hear. One unqiue feature of this model is that it can be adjusted to the emit correction tone after several barks allowing for normal dog speak while correcting nuisance barking. Your pet will quickly associate the barking with the unpleasant noise. Correction level or volume is around 120 dB at one foot from the transmitter. The unit is cordless and only requires a 9-volt battery for operation.

Features:

• 25- foot range
• Uses Ultrasound to deter nuisance barking
• Activated manually or automatically
• No Reciever collar needed
• Uses microphone to sense barking
• Requires 9-volt battery (not included). Battery will last up to 6 months.
• Includes low battery indicator
• Light comes on when correction has been issued
• Unit can be mounted on a wall or set on table and/or the floor.

Product Specs: 3H x 5W x 2.75D, Frequency - 20 kHz