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 Count
Voltage
12 volts

⚡12-14.4V operating voltage

📡300m acoustic range

🔊22 kHz ultrasonic frequency

714 DH

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Description

🚀 Keep your space wild-animal free with ultrasonic precision!

LED PULSE INDICATOR - Flashing LED confirms active ultrasonic pulses, ensuring real-time feedback
POWER PACKED VOLTAGE - Operates efficiently between 12-14.4 volts for consistent performance
EXTENDED ACOUSTIC REACH - Covers up to 300 meters with proper speaker setup for wide-area protection
STEALTH ULTRASONIC FREQUENCY - Emits a 22 kHz pulse inaudible to humans but effective on wild animals
CUSTOMIZABLE MULTI UNIT SETUP - Supports staggered deployment for continuous, effective animal deterrence

The KEMO Ultrasonic Power Cannon is a rechargeable, high-frequency ultrasonic speaker designed to deter wild animals up to 300 meters away. Operating at 12-14.4 volts and emitting inaudible 22 kHz pulses, it features a flashing LED indicator for active status and requires the correct piezo speaker for optimal effectiveness. Ideal for professional users who want a customizable, tech-savvy solution to protect gardens and fields from wildlife intrusion.

Specifications

ASIN	B002AFL1JW
Amperage	150 A
Antenna Location	Speaker
Battery Cell Type	Lead Acid
Best Sellers Rank	#63,555 in Musical Instruments ( See Top 100 in Musical Instruments ) #58 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	9.07 g
Manufacturer	Kemo Electronic
Model Name	M161
Model Number	M161
Reusability	Rechargeable
Unit Count	1 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.

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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714 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered 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 Morocco.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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