Weitech Gardenprotector WK-0053 Solar

Removes unwanted animals from garden, terrace, courtyard, garage, etc.
Effective against cats, dogs, stone marten, heron, etc.

Operation: when approaching an animal, an ultrasonic sound is activated by a motion detector with infrared. This causes the animal to be hunted.
Solar panel

Diameter of speaker: 5.1 cm

Motion detector: 120 degrees to around 7m, so you can protect an area of up to 75 m².
Button for controlling the sensitivity of the motion detector
Button for control of frequency (14 to 25 KHz)
2 NiMh 1.2 V 800 mAh rechargeable batteries that are charged by the integrated solar panel.