The Eyenimal Classic No Bark collar is a basic no bark collar.  It is activated by vibrations in your dog's vocal cords and has three modes with adjustable static correction or beep only (no static correction). Suitable for all dogs, this collar is very easy to use. At the first bark, 6 beep sounds are emitted. If another bark is detected within 30 seconds, another beep sound of 2 seconds is emitted together with a short or long static correction. 

Features

• Suitable for most dogs
• Fits dogs with neck size 8" to 28" 
• Adjustable bark detection sensor 
• Correction triggered by dogs vocal cords
• Features 3 operating modes- Static-Short, Static-Long, Tone Only
• Easy to change between modes with magnetic key
• Water resistant
• Low battery indicator
• Lightweight-just 3.24 ounces (inc. battery)
• Bark collar dimensions: 1.8" x 2.0 " x 1.4"
• Adjustable collar strap 30" x 1" 
• User replaceable CR 123A Lithium battery
• Battery lasts about 6 months
• Comes with a 2-year warranty

Box Includes

• 1 Eyenimal bark collar w/ short contact points
• Blue nylon strap
• CR123A Lithium battery 
• Test light
• 1 pair of long contact points
• Screwdriver
• User's guide