Tickless Ultrasonic Repeller PRO-102GR

2.5" overall. Human version. 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 and pets, but interfere with the ability of ticks to orient themselves. Up to 3000 hour protection. Water resistant. Color: Green. Boxed with hanging tab.