Made in China hot selling portable smoke detector fire alarm

Established in 2002, Shenzhen Longsin Intelligence Technology Co., Ltd. is a high-tech enterprise specializing in the whole process of research, development, manufacture and marketing of two main categories of products. Our product categories include Security System Products (Infrared/Gas/Smoke Detectors, Battery/Electronic/Mic/Piezo Sirens, Magnetic Switches, Emergency Buttons, Fire Alarms, CCTV Cameras and Alarm Lamps), and Auto Security Products (Sirens and Alarm Lamps)...