10 Best Defenders Mega Sonic Cat Repeller for 2025

STV International

• Humane cat deterrent: The ultrasonic sound waves emitted from the device cause no harm to cats or other animals. Utilises mega-sonic technology, unique to the Defenders brand
• Motion activated: The deterrent unit detects motion from up to 12m (39ft) away and starts to release ultrasound. This saves power compared to other devices that constantly emit sound
• Easy to set up and use: Sonic cat deterrent can be mounted in soft ground using the plastic stake provided or wall mounted using the hole in the back of the device. Full instructions for set-up are provided on-pack
• Weather tested to IP44 rating: The Defenders Mega-Sonic Cat Repeller is weatherproof with dual outer casing and rubber seals making it suitable for year-round use, supplied with a 2 year warranty
• Battery or mains powered: Requires 2 x 9 V batteries (not included). Alternatively, mains power can be used when the unit is fixed with the STV612 Universal Mains Adaptor and 5m extension cable (sold separately)

Pest-Stop

• New and improved battery life: now protects your garden for up to 30% longer.
• The most advanced outdoor Repeller with three variable frequencies
• Targets rodents, dogs, cats, mink, rabbits, squirrels and foxes
• Range of up to 15 metres with 60 degrees of rotation through four powerful speakers
• Includes both wall mount and ground spike for flexible positioning
• Uses ultrasonic sound to repel a range of animals and birds at a frequency too high for humans to hear
• Flexible PIR motion sensor
• Timed loop activation settings
• Ground or wall mounted
• Can rotate through 60° when wall mounted
• Uses ultrasonic sound to repel a range of animals and birds at a frequency too high for humans to hear
• Flexible PIR motion sensor
• Timed loop activation settings
• Ground or wall mounted
• Can rotate through 60° when wall mounted

Defenders

• Natural ingredients - pesticide free
• Ideal for ant control on lawns and gardens
• Perfect choice for the environment
• Treats up to 40 square metres

STV International

• Mains or battery powered ultrasonic fox deterrent targets two of the foxes senses, sight and sound, to humanely repel them from gardens and urban areas; for mains power, Defenders 9 V universal mains adaptor (STV612), which is included in the box, is recommended
• Motion activated fox repellent deters them with a combination of two flashing red night lights to mimic the eyes of a predator, alongside variable sonic bursts to stop foxes from damaging lawns, flowerbeds, bird feeders, gardens and property
• Foxes do not like entering gardens and outdoor areas which look, sound or smell unsafe; targeting the two senses of sight and sound increases effectiveness
• Fox repeller comes with a 2 years warranty; for best results, find where foxes are getting into your garden and target this area with the deterrent device
• To set-up simply stake in the ground or attach to a wall, fence post or bird table

STV International

• Universal repeller adaptor works with Defenders Cat Repellers - STV610, STV606 and STV620
• Detachable EU/UK plug-in for comprehensive geographical use
• 7 m extension cable

Other

• Fully waterproof, battery or mains powered sonic deterrent. With PIR motion sensor.
• When a Cat, Dog or Fox enters your garden, the motion sensor triggers a 25 second burst of ultrasound to repel it
• Push Button testing with LED activation indicator
• Requires six 1.5V (AA) batteries (NOT included), can also be used with an optional mains adaptor ( Not Included)
• Coverage is up to 12 metres in a 180 degree arc of unobstructed space creating a protected zone of over 200 square metres

Defenders

• Brand New Item
• Garden Pest Control
• Discount For Multi-Item Purchases
• Express Shipping Available

STV International

• Sonic animal deterrent gun with laser-light sighting humanely repels cats, dog and squirrels from outdoor, garden areas such as lawns, flowerbeds and patios
• Wildlife repellent gun is a humane, welfare-friendly way to protect outdoor, garden areas; it can be instantly activated using the trigger action
• Repeller gun uses either sonic (audible) or ultra-sonic (inaudible to humans) frequencies to deter cats, dogs and squirrels and protect areas of up to 20 m
• Use the ultrasonic setting to help silence a neighbours barking dog without alerting the owners or protect bird feeders from squirrels
• Cat, dog and squirrel deterrent gun requires 1 x 9 V (D) battery (not included)

STV International

• Ultrasonic dog trainer detects and deters nuisance barking
• Sound activation by dog barking, with adjustable sensitivity
• Directional speaker output
• Optional battery or mains powered using 9v Universal Repeller Adaptor