1. With battery charging circuit, energy-saving design, and automatically self-protective features. 2. Not being easily disturbed by other noises. 3. Anti Barking Collar is an effective and humane way to teach your dog not to bark. It senses vibration in the dog's vocal chords, when your dog barks The collar will beep, then vibrate, and if the dog continues barking, the collar will give small shock. The shock is optional and is activated only if you choose so in the device's settings. 4. The LCD display panel on the collar, which provides you with vital information such as battery level and sensitivity levels. This makes operating and adjusting the settings incredibly easy and removes any doubt as to what strength the collar is set to. 5. Size: 6*3*2.5cm
