4-Head Dog Bark Control Device – 3-Level Ultrasonic Adjustable Anti-Bark Trainer Option:4 Head Dual connection technology and long

Dual connection technology and long battery life

BMW 3 Series F30 F35 F80 2011-2017 Saloon

Packing: PE bag

It absorbs sunlight during the day

Easy to install and use

4-Head Dog Bark Control Device – 3-Level Ultrasonic Adjustable Anti-Bark Trainer Option:4 Head Dual connection technology and long1. This dog barker emits ultrasonic waves in a safe and gentle way to stop dogs from barking without causing any physical harm to the dog. 2. 3 The frequency is adjustable and suitable for dogs of different sizes. The first mode is the audio mode, which emits a variable frequency of 10 16KHZ, suitable for small or sensitive dogs. The second mode is the first level ultrasonic mode, which emits 20KHZ and is suitable for docile or medium sized dogs. The