We are Shandong Beirenhuizhi Enerygy Co.,Ltd based in Jinan, China. We are member of TradeKey.com since October, 2015. Our business is related to Security & Protection industry and we specifically deal in wireless fire alarm sysytem. Please find our product details below:

wireless alarm system diy for smoke detector fire alarm
Optical smoke detector , under BSI approval, and can be calibrated into either UL, VDS, NF Standards. This smoke detector features UL-approved Photoelectric sensing components with precise smoke detection. and long life (18 months) 9V battery operation (9V UltralifeLithium battery model for 10-year life is available too).

smoke detector wireless alarm system diy for smoke detector fire alarm
Optical smoke detector , under BSI approval, and can be calibrated into either UL, VDS, NF Standards. This smoke detector features UL-approved Photoelectric sensing components with precise smoke detection. and long life (18 months) 9V battery operation (9V UltralifeLithium battery model for 10-year life is available too).

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