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Black rectangular handheld device with front-facing speaker grille and LED light

DNBeffulgent

DNBeffulgent 2026 Upgraded Anti Barking Device 3 Modes LED Light training aid

SKU CH-CA8G-3KT6R

Ultrasonic deterrent corrects barking and other behaviours up to 50 feet with three training modes and a built-in LED flashlight

  • Size3.9116 in × 6.7056 in × 14.8082 in
  • Product typeSJZ-048
  • Product colorBlack
  • Humane training with 25kHz ultrasonic sound
  • Three selectable modes for varied behaviour correction
  • Built-in LED flashlight adds night-time visibility
  • Effective deterrent range up to 50 feet
  • Rechargeable 1100mAh battery lasts 60 days

Training Tool for Dog Owners

The DNBeffulgent 2026 upgraded anti barking device is a handheld ultrasonic deterrent designed for pet owners who want a humane alternative to shock or vibration collars. It uses sound and light to interrupt unwanted behaviours such as excessive barking, jumping or digging. The pocket-sized unit suits both indoor home use and outdoor walks.

Fixed 25 kHz Ultrasonic Frequency

The emitter produces a fixed 25 kHz tone that is inaudible to humans but audible to dogs, with an effective range up to 50 feet. A variable 2229 kHz output adds a second ultrasonic option for different temperaments. This specific frequency set determines whether the device will reach a neighbour's dog across a fence or only work at close quarters.

Rechargeable Battery and LED Modes

An integrated 1100 mAh battery delivers up to 60 days of operation per charge, removing the need for disposable cells. The built-in LED provides steady illumination for night walks and a strobe flash mode that can deter approaching strange dogs. Four selectable modes — ultrasonic, beep, flashlight and strobe — let the owner match the correction to the situation.

How it compares

Measured against everything we stock in Pet Trackers & Training Gadgets, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 56% of the 392 comparable items (median $26.99).

Specifications

Product
Brand nameDliben
Product typeSJZ-048
Product colorBlack
Size & build
Size3.9116 in × 6.7056 in × 14.8082 in

Questions about this item

How far will the 25 kHz ultrasonic tone reach when I press the button?

The fixed 25 kHz tone is effective up to 50 feet, giving you a wide zone for outdoor or indoor correction.

What does the variable 22–29 kHz range actually do that the fixed tone does not?

The sweeping 22–29 kHz output cycles through frequencies to keep dogs from habituating, useful for stubborn or noise-tolerant animals.

Will the 14.8-inch length fit in a jacket pocket or does it need a belt clip?

At 14.8 inches long the unit is too large for a typical pocket; it is intended to be carried in a bag or worn on a belt loop.

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