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