Ultrasonic dog repeller ZF-851 with flashlight and training mode

Description

The ZF-851 ultrasonic dog deterrent is a compact handheld device for situations where a dog approaches unwanted or behaves aggressively. It emits a directional, high-frequency ultrasonic signal that's inaudible to people but can cause discomfort to the animal and encourage it to move to a safe distance. The model combines three functions: an ultrasonic deterrent, a dog-training tool, and an LED flashlight with its own button. To use it, you point the emitter toward the dog and hold the activation button; the deterrent's angle can be adjusted slightly to aim the signal. The training mode can be paired with voice or hand commands — hold the button for about 1–3 seconds when giving a command. A strap mount on the housing lets you carry the device on your wrist during walks. Effectiveness can vary depending on an individual animal's condition, behaviour, hearing, and training.

Specifications

Model

ZF-851

Type

ultrasonic dog deterrent

Number of functions

3

Modes

deterrent, training, flashlight

Ultrasonic frequency

20000–25000 Hz

Rated sound pressure

up to 135 dB

Signal perception range

about 5–10 m

Recommended working distance

about 4–6 m

LED flashlight

yes

Button controls

yes

Strap mount

yes

Format

handheld, portable

What's included

• ZF-851 ultrasonic dog deterrent
• Strap
• Battery
• Instructions