High quality and easy to use! Great gift for your pets!Name: Pet¨s Pest RepellerWorking: Ultrasonic Anti fleas・ ticks and mosquitoesFeatures:Pet¨s pest repellerAutomatic Ultrasonic Anti fleas・ ticks and mosquitoesNew pest repel for petsNo odors or chemicalsAdjustable Nylon strap (18cm to 58cm) suitable for large・ medium and small dogMore steady and durableMost effective and safest way to protect pet from any dangerous pestIt delivers a continuous pulse that flea・ ticks and mosquito cannot stand・ no harm to petsCE & RoHS certificateEffective Fit(10 to 120 pounds dogs)Simply hang to pet neck directlyIncluding:1 * Pet¨s pest repeller1 * Nylon strap