Environmentally friendly, contains no chemicals or fragrances. 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. 94% efficiency against ticks without using any chemicals chemical free 1.5 m range no odours and fragrances safe to use even for young, elderly, ill, or pregnant pets scientifically proven protection up to 12 months after activation preventive solution. Help keep your pet free from ticks and fleas with this ultrasonic repeller. It emits ultrasonic pulses that bother ticks but can't be detected up by humans, pets or wildlife. It's free from chemicals and fragrance, so it's safe for the whole household. The battery lasts up to a week and is USB-C rechargeable. They'll be seen after dark with the handy night light.