home alarm system, surveillance equipment, video door phone

With many years of experience in line of wire/wireless alarm system, surveillance system and two-way speaking video and vision system, Shenzhen Security Group Co., Ltd. has become the biggest manufacturer of safe and security products in China. We mainly produce home alarm series such as system wireless/wired alarms, alarm report center, car alarms, car parking sensor systems, home alarm hosts and accessories; wireless/wired CCTV surveillance equipments such as 2.4G wireless audio & video, CCTV cameras, double CCD cameras, IR cameras, dome cameras, network cameras, box cameras, zoom cameras, and CCTV accessories and peripheral equipments; video door phone series such as video door phone for villa, video door phone for apartments, indoor phone for apartments, management center and optional surveillance accessories. LCD Display Voiced GSM Burglarproof Alarm System