Usage Tips:Pet ultrasonic flea tick lice repellent USB Rechargeable Anti Bug Insect Repellent For Cat Dog Pets Supplies accessories Description: Feature: 1.The intelligent frequency conversion chip can control the emission of the ultrasonic generator, 8 different ultrasonic wave bands and intelligently switch different band frequencies randomly, which can prevent ticks and fleas from adapting quickly. 2.This product does not contain any chemical ingredients, does not contain allergens, can be worn at all ages and periods, and is safe for people and pets 3.With dazzling aurora light waves, your pet is always in your eyes, even if you walk the dog without a cord at night, you dont have to worry about not seeing your pet in the dark, thereby reducing the chance of getting lost Level 1: Tap the switch once to turn it on and start to emit 19.5-135kHZ intelligent frequency conversion ultrasonic physical drive (light performance: red and blue lights alternately turn on breathing lights); 2nd gear: Press the switch twice to activate and launch the 19.5-135kHZ intelligent sweeping ultrasonic physical drive (Light performance: red and blue warning flashing lights, so that pets are always in the eye, reducing the chance of getting lost, and increasing night safety); charging light performance: charging red light, fully charged to green light 4.Wide applicable scenes: An essential item for all outdoor activities, especially for