Double door controller (ABS Shell); controlling two independent doors; connecting with 4 card readers; each door has inlet & outlet mark, super lightningproof and 100% waterproof; logging 1744 users and storing 6144 records; with all functions of networking single door.

Four-door controller should deploy sub-door controller or special card readers; controlling 4 independent doors and connecting with 8 card readers outside; each door with inlet & outlet mark; one family has many cards; super lightningproof and 100%waterproof; logging 9421users and storing 18,724 records.

Eight-door controller should deploy sub-door controller or special card readers; controlling 8 independent doors and connecting with 16 card readers outside; each door with inlet & outlet mark; one family has many cards; super lightningproof and 100%waterproof; logging 9421 users and storing 18,724 records.