By fastening the easy-to-use, tiny device onto your cat's or dog's collar, parasites can be kept away for 6-12 months after activation, leaving you and your pet free to enjoy nature. Due to the latest field study, we can conclude that the device is 94% efficient against ticks without using any dangerous chemicals! It is non-toxic and does not use or release any chemical substances or odors, making it safe to use even for young, elderly, ill or pregnant pets. The device emits ultrasonic pulses that are imperceptible to humans and pets, but disturb ticks and fleas, thus keeping them away from your pet. The operating range is approximately 1.5 meters. The device is primarily intended for preventive purposes. The effectiveness of TICKLESS technology has been scientifically proven by clinical research worldwide.