How can you tell when it is on?

Solid green light, then a pause, then flashing green and white. There is a test button to use also. And when the batteries start to die there's a constant little beeping sound to let you know.

How does this repeller work with dogs...as i have one and dont wont to hurt her ?

Dogs can hear in the 67 Hz to 45,000 Hz range; humans only up to 23,000 Hz. So it will affect canines and rodents but not humans. It may not be a "loud" enough stimuli for one dog but it may affect another.

What size are the zip ties so I can get replacements?

They are 10 or 12" long. But the length you need depends on where you are going to place the device. i placed them and then cut off about 4 or 5 inches.

Would this work on a boat to repel otters?

No, this product is designed and tested to be effective in repelling rodents. The otters are not rodents. It has not been tested for its effects on otters.

Battery Operated Ultrasonic Under Hood Rodent Repellent For Car Engines

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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196.34 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Keep your engine rodent-proof and stress-free—because your ride deserves the best!

SMART ENERGY SAVER - Auto standby mode detects engine vibrations, conserving battery life while you drive.
CORDLESS HASSLE FREE - Runs on 3 AA batteries—no wiring or vehicle battery needed for effortless installation.
BUILT TO BRAVE THE HEAT - Durable, heat-resistant housing designed specifically for under-hood environments.
QUICK SETUP UNIVERSAL FIT - Installs in minutes with reusable zip ties—perfect for cars, trucks, campers, and storage spaces.
ADVANCED DUAL ACTION RODENT DEFENSE - Combines variable-frequency ultrasonic waves with flashing LED strobes to keep your engine rodent-free.

This Battery Operated Ultrasonic Under Hood Rodent Repellent uses dual ultrasonic frequencies paired with flashing LED strobe lights to deter rodents from nesting and damaging vehicle wiring. Powered by 3 AA batteries, it features a smart auto standby mode that conserves energy by detecting engine vibrations. Its heat-resistant housing ensures reliable performance under the hood, while quick installation with reusable zip ties makes it versatile for cars, trucks, campers, and storage areas.

Specifications

ASIN	B07VKBHH15
Batteries	3 AA batteries required.
Best Sellers Rank	#2,655 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #5 in Outdoor Ultrasonic Insect & Pest Repellers
Customer Reviews	4.1 4.1 out of 5 stars (3,634)
Item Weight	4.9 ounces
Item model number	DD-AR-001
Manufacturer	Loraffe
Product Dimensions	3 x 3 x 3 inches

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