Supply easy to install alarm, big brands combustible gas Shenzhen Yongchang Electronic Co., Ltd. is mainly engaged in home, car (gas, carbon monoxide) leak alarm, overflow, water leakage alarms, temperature detectors, fire alarm control systems and industrial gas product research and development proof system devices, production and sales of high-tech enterprises. The company has extensive production experience and advanced management system. With import and export qualifications, and we passed the ISO9001: 2000 international quality management system certification. Qualified testing products through the National Quality Supervision and Testing Center Gas / quality certification Ministry of Public Security Fire Product Conformity Assessment Centre / China Quality and Technical Supervision metrology equipment production license and a number of international CE certification, also won the China Pacific Property Insurance Companies in the same industry longest highest underwriting of insurance compensation, retroactive period. Since its inception has been adhering to the "high quality and efficiency, customer service, technology leadership, honesty and trustworthiness," the concept of customer value creation as the goal, after years of struggle, foreign markets exported to America, Europe, Australia, Middle East, Southeast Asia, China has been in more than ten provinces and cities established a distribution network and service centers. . We will, as always, dedicated to providing high quality services to the world family! Yongkang brand alarm enjoyed a high reputation in the industry and become the people living in the home of choice for security products. "Professional and technical achievements safety excellence to ensure reliable, continuous innovation and customer satisfaction!" It is up to the user Yongchang best promise. Young Yongchang elite of people, is by virtue of constantly better ourselves and challenge themselves the spirit in pursuit of home security is the first purpose for your home escort. Striving for security alarm first brand, is Yongchang the target. We firmly believe that: Only leading product technology, excellent product quality and comprehensive pre-sale service system, coupled with the market rules of marketing strategies in order to allow us to lead in the forefront of the security alarm industry! Model: YK-828 / RQ01 Product Name: household gas leak alarm Product Description: Detection of gas: natural gas, LPG, city gas (H2) Operating voltage: 220VAC or 110VAC, 12VDC-24VDC Working temperature: -10 ℃ - + 50 ℃ Operating environment: Humidity ≤97% RH linkage function: linkage exhaust fan, ROBOT, the solenoid valve Networking: Wired networking: (NO, NC) Wireless networking mode: 315MHZ / 433MHZ (2262 OR 1527) is unique in the following : (1) new sensor drift automatic compensation function to prevent false positives and false negatives. (2) failure prompted the alarm function for the user to replace and repair, to prevent the report. Volume: 110mm * 70mm * 40mm