Canicom Sonic Sound Bark Control Collar When your dog barks, the collar emits an ultra-sonic warning and/or vibration. Simple and easy to use. 3 operating modes: Ultra-sonic Vibration Ultra-sonic + vibration On/off mode and all other modes selectable through the magnetic key Bark detection by bark sensor (detect the vibrations of your dog's barking)

Battery level indicator (audible) Bark detection sensitivity adjustable by potentiometer Specifications Weight: 1.9 oz.(case + battery) Dimensions: 2.5" x 1.25" x 1" Power: replaceable 3 volt CR2450 lithium Adjustable nylon strap on neck sizes from 6.6" to 21"