We're Shenzhen Security Group Co., Ltd, with over 20 years of experience in line of wired/wireless alarm system, surveillance system and two-way speaking video system, CCTV, security gifts. we've become the leading manufacturer of security products in China. Our products includes Alarm, bodyguard, burglarproof, personal protection & self defense, safety products, GSM alarm, smoke and fire detector, gas leakage detector, intellectual infrared wide angel detector, electrical protection, personal alarm

security alarm system, CCTV camera, standalone DVR, quad processor, video door phone, GSM alarm gas alarm, smoke alarm, wide angle PIR detector, curtain motion detector, etc.