Feature:1. [Untrasonic Dog Bark Control Device] Press the button and the device will emit an ultrasonic sound, which will make dogs feel unpleasant and stop barking repeated for several times, dogs will reduce barking gradually.2. [Secure for Use] 24KHz ultrasonic frequency is silent to human ears, causing no harm to human body only can be heard by dogs and helps to correct dogs bad behavior habits.3. [Wide Suitability u0026 Large Effective Range] Suitable for small, medium, and large dogs over 6 months and under 8 years old, weighing more than 4.5 pounds and less than 50 pounds has large effective range up to 4.9m or 16.4ft.4. [With Light Pointer for Cats] Can print a moving red dot on ground, great for cats, stimulating catu0027s interest, ever make cats bored, great for those who keep dogs and cats as pets at the same time.5. [Built-in Rechargeable Battery u0026 Compact Size] 600mAh large capacity battery, has long working time, no need to charge frequently portable size and light weight, with wrist rope, easy to carry IPX2 waterproof, suitable for outdoor activities.Specification:Features[Untrasonic Dog Bark Control Device]Press the button and the device will emit an ultrasonic sound, which will make dogs feel unpleasant and stop barking repeated for several times, dogs will reduce barking gradually.[Secure for Use]24KHz ultrasonic frequency is silent to human ears, causing no harm to human body only can be heard by dogs and helps to correct dogs bad behavior habits. [Wide Suitability andamp Large Effective Range]Suitable for small, medium, and large dogs over 6 months and under 8 years old, weighing more than 4.5 pounds and less than 50 pounds has large effective range up to 4..9m or 16.4ft. [With Light Pointer for Cats]Can print a moving red dot on ground, great for cats, stimulating cat's interest, ever make cats bored, great for those who keep dogs and cats as pets at the same time.[Built-in Rechargeable Battery andamp Compact Size]600mAh large capacity battery, has long working time, no need to charge frequently portable size and light weight, with wrist rope, easy to carry IPX2 waterproof, suitable for outdoor activities.SpecificationsColor: Black andamp orangeMaterial: PlasticPower Supply: USBInput Voltage: 3.7VInput Current: 40mAhBattery: 3.7V 600mAhWaterproof IP Rating: IPX2Sensor Distance: Up to 4.9m or 16.4ftUltrasonic Frequency: 24KHzProduct Size: 11.2 x 4.9 x 3.2cm or 4.4 x 1.9 x 1.2inchProduct Weight: 58g or 2.04ozNoteNot recommended on dogs under 6 months or over 8 years old or with hearing problem or 50lbs or 4.5lbs, grumpy and aggressive dogs.Package List1 x Ultrasonic Dog Training Device1 x Wrist Rope 1 x Cable1 x User Manual Package List:1 x Ultrasonic Dog Training Device1 x Wrist Rope 1 x Cable1 x User Manual