Since its establishment in 2006, Shenzhen Bairenji Technology CO., LTD has been dedicating itself to developing and producing high_end security and protection products for customers from all over the world. As a professional manufacturer in the security and protection field with more than 10 years&＃039; experience in design and development, we can supply a wide range of products, such as smoke detector, gas detector, PIR detector, CO2 detector, heat sensor, smoke +heat detector, strobe siren, strobe light, door magnetic contact, emergency button, fire alarm bell, manual call point and other security kits. Currently we have 500-plus security devices in our catalogue, and that number continues to grow. Today, clients in more than 100 countries source from us, having found items that please them in the extra-wide range.