Sharkward is a leading manufacturer of energy efficient products for north America and have been designing and manufacturing since 2008. These products include passive Infrared sensor and microwave sensor, intelligent lighting controls. Sharkward operates in full compliance with international Code of Conduct, labor laws and environmental laws. Now it is ISO 9001 certified, and we are in the process of the application of ISO 14001. Every manufacturing procedure and quality system is proven anddocumented. All the products we manufacture have been thoroughly tested, inspected and burned-in to make sure the product will last for decades. Sharkward get UL for all motion sensors for north America based on TILE24. and give 5 years warranty for all motion sensor, and all motion sensor with copy right in USA. Our highly qualified staff can provide engineering, project layouts and personalized solutions for your commercial or industrial lighting and power management needs. email: sales05@sharkward.comWhatsApp: +8617855833741