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.

Loraffe Battery Operated Ultrasonic Under Hood Rodent Repellent For Car

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚗 Keep your engine rodent-free and stress-free with smart, cordless protection!

CORDLESS FREEDOM - Runs on 3 AA batteries—no wiring, no hassle, just plug in and protect your vehicle anywhere, anytime.
SMART AUTO STANDBY - Senses engine vibrations and powers down while driving to save battery life, activating only when your vehicle is parked.
QUICK VERSATILE SETUP - Installs in minutes with reusable zip ties—perfect for cars, trucks, garages, barns, and more, ensuring broad rodent protection.
HEAT RESISTANT DURABILITY - Built tough with high-temp materials to withstand harsh under-hood conditions without compromising performance.
ULTRASONIC LED POWER DUO - Combines variable-frequency ultrasonic waves with flashing strobe lights to keep rodents away—no more chewed wires or nests under your hood.

The Loraffe Battery Operated Ultrasonic Under Hood Rodent Repellent uses dual ultrasonic frequencies combined 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 and shutting off while driving. Its heat-resistant housing ensures reliable performance in under-hood environments. Easy to install with reusable zip ties, it’s suitable for cars, trucks, and storage areas like garages and barns, providing versatile, cordless rodent protection.

Specifications

ASIN	B07VKBHH15
Batteries	3 AA batteries required.
Best Sellers Rank	#3,844 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #10 in Outdoor Ultrasonic Insect & Pest Repellers
Customer Reviews	4.0 4.0 out of 5 stars (3,564)
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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