DescriptionWith this aggressive ultrasonic device. Equipped with high sensitive sensor, can found animal like rabbit, deer, dogs real time and expulsion with ultrasonic. Of course the ultrasonic are absolutely for human.Feature- Color: silver - Material: ABS - Size: 5 x 2.3 x 2cm. - Made of material for long lasting use. - Easy to install and operate. - With this aggressive ultrasonic device. Equipped with high sensitive sensor, can found animal like rabbit, deer, dogs real time and expulsion with ultrasonic. Of course the ultrasonic are absolutely for human. - Enviromental Friendly: Just scares away annoying animals, will not hurt them. No chemicals or pesticides, no dead animals. - Human ultrasonic sounds, repel and keep away the intruders effectively. With motion sensor and ultrasonic wave technology, would protect your car from animal's damage.