Supply 9V stand-alone carbon monoxide alarm Shenzhen Yongchang Electronic Co., Ltd. is mainly engaged in the home, car (gas, carbon monoxide) leak alarm, overflow, water leakage alarms, temperature detectors, fire alarm systems and industrial gas explosion control system devices product research and development, 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. The company produces household carbon monoxide alarms (CO alarm household) can detect the indoor concentration of carbon monoxide concentrations above the warning value alarm. Are you from carbon monoxide violation powerful guarantee, allowing you to easily enjoy the fun of home. Our company produces household carbon monoxide alarm (home CO alarms) has a variety of exterior structural dimensions, there are modules without housing for sale, also based on user requirements and design of different dimensions and performance. Here are the characteristics of the standard model. Features: 1. independently, 9V battery power 2. High volume buzzer output (> 85db) 3. electrochemical carbon monoxide sensor, high sensitivity, high stability, long life 4. Under normal circumstances, the red LED flashes every 30 seconds; alarm, the red LED indicator flashes quickly, and an audible alarm with test button 5., self-diagnostic function, to detect the status of their own self-test function 6. Low voltage, low power consumption (<0.3mW) 7. Installation and battery replacement is very convenient Specifications: Power supply voltage: 9V alkaline battery Standby current: less than 35uA (a new battery can work for more than one year) Alarm concentration: 150 +/- 50ppm of carbon monoxide gas use Environment: Temperature: -10 ~ 50 ℃, Relative Humidity: 20% to 95%, no condensation Certification: meet the national standard and CE certification CJ3057 dimensions :( according to user requirements, design a different shape structure) Application: Independent , home-based carbon monoxide alarm for gas leak detection CO can be installed in kitchens, bathrooms and other places. Leader: Mr. Yu Q chat: 2851795062 call the hotline: 0755-61512389