SECURITY HANDSET WIRELESS INTERCOM SYSTEM(1 outdoor 1 indoor units) Security wireless intercom system. The latest security wireless intercom system comes packaged with a waterproof outdoor digital calling unit and 100 indoor mobile handset units. The outdoor unit connects to the indoor units between one handset to up to 100 handsets depending on area of usage and personal requirement. The indoor units at the same time connects and calls each other as well as the outdoor units. For instance, a house that needs a package of 1 outdoor unit and 5 indoor units mounts the outdoor unit at the gate and the 5 indoor units in different locations(rooms, sitting room, BQ, etc) The visitor at the gate dials the desired number from the outdoor unit and the guest pick the call and answers the visitor Or the gateman