4-Head Dog Bark Control Device – 3-Level Ultrasonic Adjustable Anti-Bark Trainer Option:4 Head 40HQ: 1819 cartons * 80

40HQ: 1819 cartons * 80 pcs = 145520 pcs

iPad 14 or above

Size: 23x6x2

Rechargeable battery: built-in 1

Loading Container 20GP: 1221 cartons * 20 pcs = 24420 pcs

4-Head Dog Bark Control Device – 3-Level Ultrasonic Adjustable Anti-Bark Trainer Option:4 Head 40HQ: 1819 cartons * 801. 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