Human Tickless Ultrasonic Active Repeller

1.5" overall. Active version. Designed to fit on shoe laces. Rechargeable. Night light function. Operating range is 6.5 ft. 94% effective against ticks without chemicals. No odors or fragrances. Device emits ultrasonic pulses that are imperceptible to humans, pets, or wild animals but interfere with the ability of ticks to orient themselves. Water resistant. Color: Orange.