China Ningbo Wellite Eletronic Co.,Ltd. is a leading professional manufacturer of PIR(Passive Infra-Red) sensor switch in China. Our products, security alarm, are widely being used in automatic light control, promoting convenience, safety and cost-saveing. We employed Total Quality Management and established an ISO9001:2000 quality management system. With the belief that goods products and good service will lead us to the success. Wellite not only sells our existing products, security alarms, security alarm system, car security alarm, personal security alarm, auto security alarm, door security alarm, house security alarm, security alarm parts, security alarm equipment, business security alarm, residential security alarm, window security alarm, but also provides complete developping solution for our customer.