" about this article Effective repulsive for animals - This ultrasound repellent with 5 adjustable modes and frequencies helps to effectively keep animals like cats, dogs, marters, rares washers and other small animals of certain places in the garden. The animal repulsive works without chemical substances and is harmless for humans and animals. IPR motion sensor: ultrasonic waves of the repellent against the fei yu can reach a maximum distance of 10 meters and act in an angle of 110 º, as long as animals nearly 30 feet of the repellent against cats are activated by the motion detector. [5 adjustable modes] The cat repellent is between 13.5 kHz and 45.5 kHz, ultrasonic sounds with a different frequency can dissuade different animals. 5 Different lights with ultrasound / frequency of alarm / noise / 14 LED lights frozen frozen animal continuously continuously until the animal is found. Particularly practical: the ultrasonic repellent battery can be recharged very easily via the