Cats, dogs, birds and other unwanted animals can repeatedly return to the same garden beds, lawn edges and backyard areas, leaving digging, fouling, disturbed plants or unwanted activity around outdoor spaces. This ultrasonic animal repeller uses a passive infrared motion sensor to detect movement and activate high-frequency sound when an animal enters the monitored area. This version runs on three AA batteries and gives you adjustable frequency and sensitivity controls, making it a practical choice for targeted garden and yard protection where you want more control over how the repeller responds.

Why It Stands Out

✓ Motion-activated ultrasonic response — the PIR sensor detects approaching movement before the ultrasonic speakers activate.

✓ Dual ultrasonic speakers — two front-facing speakers distribute the selected high-frequency output across the monitored area.

✓ Adjustable frequency settings — choose the setting that suits different animal-deterrent applications.

✓ Adjustable sensitivity — tune how readily the motion sensor reacts to activity in front of the unit.

✓ 120° detection angle — monitors a broad section of the garden rather than only a narrow straight line.

✓ Battery-powered placement — uses 3 × AA batteries, allowing placement away from power outlets and without relying on solar exposure.

✓ IPX4 outdoor rating — designed for normal outdoor garden use and exposure to rain.

Where It Works Best

Position the repeller where animals regularly enter or cross your outdoor space: beside garden beds, along lawn edges, near vegetable patches, around sheds, beside patios, around ponds or along backyard boundaries. The adjustable ultrasonic system is intended to deter cats, dogs, birds and mice.

How the Motion Sensor and Ultrasonic System Work

The integrated passive infrared sensor watches for movement within the unit’s detection area. When movement is detected, the dual ultrasonic speakers produce high-frequency sound based on the selected control setting. The unit has a 120° detection angle and an effective distance of approximately 8–12 metres. Separate frequency and sensitivity controls let you adjust the unit rather than relying on a single fixed setting. Positioning, vegetation, walls and the direction of approach can affect detection, so aim the front of the device toward the area animals normally enter or cross.

Comparison Table

Setup and Placement

Install three AA batteries before use; batteries are not included. Attach the detachable stake and place the unit in firm soil with the sensor and speakers facing the area you want to monitor. Keep at least 12 cm of the stake above ground and create a suitable hole rather than hammering the device directly into hard soil. Start with moderate sensitivity and frequency settings, then adjust them to suit the location and animal activity. Keep tall grass, pots and dense foliage from blocking the PIR sensor, especially when monitoring lower animals such as cats or mice.

Care and Outdoor Maintenance

Keep the sensor window and speaker openings clear of mud, leaves, spider webs and garden debris so movement detection and sound output are not obstructed. The IPX4 rating is intended for outdoor splash and rain exposure, not submersion or standing water. Check the stake after heavy rain or garden work to make sure the unit remains upright and correctly aimed. Replace the AA batteries when performance drops, and remove them if the repeller will be stored for an extended period.

Product Specifications

What's in the Box

• 1 × ultrasonic animal repeller
  
• 1 × detachable ground stake
  
• AA batteries are not included.