ewrazi Ultrasonic Anti-Barking Device for Dogs, 3 Modes, Rechargeable, IPX4

Three adjustable ultrasonic levels let you tailor bark correction to your dog’s size and sensitivity. The rechargeable design is easy to move between indoor and outdoor spaces. Its 33-foot effective range suits everyday areas such as a patio, yard, or room where barking needs attention. Choose it for a portable, non-shock approach rather than a collar-based training method.

Spec sheet

• Type: Ultrasonic bark deterrent for dogs
• Modes: 3 adjustable frequency levels
• Frequency: 15–30 KHz
• Effective range: 33 ft
• Battery: Built-in 1500 mAh rechargeable battery
• Charging time: 5 hours
• Use per charge: Up to 30 days
• Water resistance: IPX4
• Color: Green
• Weight: 8.8 ounces

The three frequency settings provide a practical way to select a level suited to your dog’s size and sensitivity. Ultrasonic sound offers a form of bark redirection without a shock collar. The device responds automatically to barking, so it can be positioned in the area where you want to encourage a calmer routine. Charge it fully before first use.

Everyday compatibility

Use the device indoors or outdoors in spaces where its 33-foot range can cover the area around your dog. For a backyard or patio, it can be hung on a fence, tree, or doghouse, indoors, place it near the room where barking tends to happen. Portable placement makes it easier to adjust its position as your dog uses different parts of the home or yard.

The IPX4 housing is designed to handle rain, splashes, and humidity, supporting use in varied everyday settings. That gives you more flexibility than a device intended only for a dry indoor location. Keep the unit within its effective range and choose one of the three frequency levels for your dog. A rechargeable battery means the device can be moved without relying on a fixed position next to a power outlet, while the stated charge time and use period help with planning regular use.

Who it’s for

This bark control device is suited to dog owners looking for an automatic ultrasonic option for common home and yard settings. The adjustable levels are useful when choosing a setting for a dog’s size and sensitivity, while the portable design supports use in more than one location. It can be placed near a doghouse or along a fence outdoors, or positioned in a room where barking is disruptive.

It may also appeal to owners who prefer a non-shock approach to redirecting barking. Rather than choosing a collar-based device, they can use a separate unit placed in the surrounding area. The 33-foot effective range and indoor/outdoor design make it a practical fit for focused areas such as an open patio, standard yard, or living space. Use the device as part of a consistent training routine, with the selected frequency level and placement suited to the setting.

Is it worth it?

The main advantage is flexibility: three ultrasonic levels, automatic bark response, and portable placement are brought together in one rechargeable unit. Its IPX4 housing supports outdoor placement where splashes or rain may occur, and the 33-foot range provides coverage for typical home and yard areas. For owners who want bark redirection without a shock collar and need a device they can move between locations, those features make it a useful choice for everyday training support.