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