Vibration Anti-Bark Training Collar, equipped with a smart sensor, featuring two vibration modes and 5 sensitivity levels. - Brand: dogrook - Color: Black/Pink - Function: Vibration Anti-Bark Training Collar - Sensor: Smart Sensor - Modes: 2 vibration modes - Sensitivity Levels: 5 sensitivity levels I tried it on my dog once, but they didn't like it and it didn't work well, so I'm selling it. I purchased the pink one, as it was a bestseller on Amazon. All accessories are included, but please understand that it has been handled by a person before purchasing. If you are okay with shipping without the box or with the box crushed, I can offer a discount ◎ Thank you for looking.