China Ningbo Wellite Eletronic Co.,Ltd. is a leading professional manufacturer of PIR(Passive Infra-Red) sensor switch in China. Our products, wireless burglar 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, wireless burglar alarms, wireless burglar alarm system, but also provides complete developping solution for our customer.