What diameter and lenght of pvc tube to use as a cannon?

I used 1 1/4” by 6.1” long PVC pipe. That length is 10 wave lengths for 22 kHz. Works good for the dogs across the street. I also used a remote control switch to active it. Press the button for 10 or so seconds rather than leave on continually.

Hello, can this be used in a car to a avoid running over dogs and cats on the streets?

I would say NO based on my experience with it having NO effect at all on any of our neighbors dogs, wild deer, ground hogs, raccoons, squirrels, coyote etc. Very disappointed… I have heard good things about the Deer Whistles or Wildlife Warning Devices sold at any box store which are only like $5.00

Is the remote control switch mentioned by others available on Amazon? Does this come with directions (I am a novice).

Search amazon for remote outlet switch. They are pretty common and many use them to turn lamps or other devices on/off by remote. Just plug the 12 volt AC adapter into that. (The LE Power Adapter lets you hot wire with an adapter it comes with.)

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KEMO Ultrasonic Power Cannon Building Block

Product ID: 75976304

Details

Battery Cell Composition
Lead Acid
Brand
KEMO
Recommended Uses For Product
Speaker
Unit Count
1.0 Count
Voltage
12 Volts

⚡12-14.4V operating voltage

🌿300m acoustic range with tube

🔊22 kHz ultrasonic frequency (inaudible)

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€ 71.18

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Description

🚀 Ultrasonic power that keeps your space wild-free and worry-free!

EXTENDED REACH - Acoustic range up to 300 meters with an optional tube attachment for maximum coverage
VISUAL FEEDBACK - Integrated LED flashes to confirm active ultrasonic pulses and speaker connection
SILENT BUT MIGHTY - Emits a 22 kHz ultrasonic pulse that’s inaudible to humans but deters wildlife effectively
COMPACT RECHARGEABLE - Lightweight design (0.02 lbs) with rechargeable lead-acid battery for eco-friendly reuse
POWER PACKED PRECISION - Operates efficiently between 12-14.4 volts for consistent performance

The KEMO Ultrasonic Power Cannon is a compact, rechargeable device operating at 12-14.4V that emits a 22 kHz ultrasonic pulse to deter wild animals up to 300 meters away. Featuring a flashing LED for operational status, it’s designed for gardens and fields to protect your space silently and effectively.

Specifications

ASIN	B002AFL1JW
Amperage	150 Amps
Antenna Location	Speaker
Battery Cell Type	Lead Acid
Best Sellers Rank	#81,179 in Musical Instruments ( See Top 100 in Musical Instruments ) #67 in Hand Percussion Blocks
Brand	KEMO
Customer Reviews	2.7 2.7 out of 5 stars (50)
EU Spare Part Availability Duration	1 Years
Global Trade Identification Number	04024028031613
Item Dimensions	3.94 x 2.36 x 2.36 inches
Item Weight	0.02 Pounds
Manufacturer	Kemo Electronic
Model Name	M161
Model Number	M161
Reusability	Rechargeable
Unit Count	1.0 Count
Voltage	12 Volts
Warranty Description	no Guarantee

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Customer service was outstanding when I had questions about the product.

2 days ago

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€ 71.18

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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