For 1 Dog M-257 Ultrasonic Dog Bark Stopper Automatic Working Mode Dual Transmitter Design Long Range 20 Meter Detection USB Fas

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For 1 Dog M-257 Ultrasonic Dog Bark Stopper Automatic Working Mode Dual Transmitter Design Long Range 20 Meter Detection USB Fast Charging IP65 Indoor Outdoor Use

Product Overview

This device operates automatically without manual control and includes two built-in high-power ultrasonic transmitters. It provides strong output and a wide coverage area of up to 20 meters. The product offers three working levels at 25ft, 50ft, and 75ft. Higher values increase sound sensitivity and extend the working distance.

The right side of the device allows switching between fixed ultrasonic mode and frequency conversion ultrasonic mode. It is designed with IP65 dustproof and waterproof protection for both indoor and outdoor use. The built-in 2000mAh lithium battery supports USB fast charging and provides long standby performance.

Core Functional Highlights

Dual ultrasonic transmitters to enhance sound wave penetration and widen the effective range

Three sensitivity levels for different working distances at 25ft, 50ft, and 75ft

Dual frequency mode with fixed and variable frequency options

IP65 dust and water resistance for indoor and outdoor use

2000mAh battery with USB fast charging and extended standby performance

Product Specifications

Size: 124 x 77 x 42 mm

Material: ABS and PP

Battery: 2000mAh lithium battery supporting 5V and 2A charging

Waterproof Level: IP65

Applicable Scenarios

Suitable for home use to help reduce noise

Suitable for outdoor training in parks or during walks

Suitable for pet shops and kennels with multiple dogs

This device offers wider coverage, longer battery life, and enhanced intelligent performance compared to traditional barking control products.

Usage Suggestions

Start from the lowest sensitivity level at 25ft during initial use

Clean the ultrasonic emission area regularly for best performance

Keep the battery at around half charge during long-term storage

This product is designed with automatic detection, high-power ultrasonic technology, long battery life, and a durable structure, making it a strong option in the dog training and barking control category.

Packing List

1 X Ultrasonic device

1 x  Instruction manual

1 x Charging cable

Delivery details:

As usual, Upon receipt of your payment, all items will be shipped out to buyer's Aliexpress registered address within 1 business days.Please make sure that your address in Aliexpress matches the address you would like us to ship to.If you bought our item on holiday, the shipping day may be delayed. but once we come back to office, we will speed up to ship it.If you have not received your item on estimated arrived time or other issues, please free to contact us! We are always on your side and definitely responsible for all issues you meet :)

Return Policy:

Please Do Not click "Return this item" in any situation, because sometimes it will spend more time to resolve the issue.please Click "Contact" via Aliexpress Message(protected by Aliexprss),that is the fastest way to fix any issues for you.please make sure that all contents from the package you received is send back when you return the item !

About feedback:

We always try to do our best to guarantee 100% satisfaction for our valued customers and take their interests as the principal position all the time! Our system will leave feedback automatically after you pay it. Your possitive feedback always enthusiam us to do more work and Negative feedback make us more careful. But please don't give us negative feeback or Make Dispute without communicate with us. It will be highly appreciated if you leave us a positive feedback. You feedback will promote our young store growth!

About us:

Our main motive is Customer Satisfaction and provides a good quality product and make best price for everyone.Please pay attention to the items descriptions. If you have any questions, please fell free to contact us We will try our best for you.Your message may be not reply in time during weekend and holiday,please don't worry! Once we come back to office , we will reply you As Soon As Possible.

Office time:

Monday to Friday 9:00--18:00 (Beijing time)