Ic card electronic gate lock; Induction card electronic door lock; Electronic door combination lock; Fingerprint-based door lock; telecontrol car park lock; car park lock; tv monitor; anti-explode tv monitor; Burglarproof alertor; Buildings automatic control; Parking management system; Patroling system; Guard entrance system; Traffic facility; Control plate; microcomputer control plate; mobile communication cover system; programme-controlled telephone set switch; Wire distribution frame