china safe smart security fingerprint electronic
safe smart security fingerprint electronic bluetooth wifi digital keyless card code alarm aluminum biometric sliding door handle locks 1. product introduction this is our new designed aluminum smart door lock. adopt the latest structural design, which panel width is only 38 mm, be suitable for any aluminum door which frame is more than 46mm. security alarm system wireless 433mhz magnetic burglar alarm home system. $1.50-$1.95 / piece. 1.0 pieces (min order) shenzhen ariza electronic co.