Alarm in Shenzhen Reviews Directory. Find helpful customer reviews and review ratings for local places in Shenzhen. Read honest and unbiased reviews from our users. Home / Malaysia / Shenzhen / Alarm Alarm GSM alarm system for home and business---Lenser Technology Co.,Ltd - Shenzhen Shenzhen China, Shenzhen , Putrajaya, Shenzhen, Malaysia 8675526780874 Categories of Places Alarm Systems Computer Components Alarm Audio-Visual Equipment Mobile Phone Accessories Cctv Cameras Led Lighting Led Light Android Tablet Pc Blackberry Housing Case Cover Combo