Shenzhen Sykoo Electronics Co., Ltd. is a leading OEM manufacturer and supplier of innovative electronic devices, including the pet dog repeller, hand held dog repeller, and portable dog repeller. Our dog repeller products are designed to help keep individuals safe from aggressive dogs while out for a walk, jog, or bike ride. The pet dog repeller emits a high-pitched sound that is inaudible to humans but acts as a deterrent to dogs, keeping them at a safe distance. The hand held dog repeller is easy to carry and use, providing a sense of security when encountering unfamiliar dogs. Our portable dog repeller is compact and lightweight, making it perfect for outdoor activities and travel. With a focus on quality and customer satisfaction, Shenzhen Sykoo Electronics Co., Ltd. takes pride in delivering reliable and effective dog repeller devices. Our products are designed with the user in mind, offering peace of mind and protection in potentially dangerous situations.