S4A Industrial Co., Limited, Founded in 2010, We have been dedicating in access control production R&D and sales for 12 year.
S4A mainly produces a series of security Door Access Control such as:Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etc. Electromagnetic lock has various styles, including holding force 60kg, 180kg, 280kg, 350kg, 500kg,1200kg magnetic lock. Single door and double door EM lock. Functions are with led, with feedback, with timer. With anti-residual magnetism designed and complete mouning brackets, magnetic locks are widely used for glass door, wooden door, fireproof door, sliding door and metal door.
> Card type: EM, HID, MF, CPU Card> Wiegand Reader> Standalone for single door> Standalone for two doors> With external reader for two doors> Two units interlocked for two doors> Anti-passback for single door> Anti-passback for two doors
> Card type: EM, HID, MF, CPU Card> Wiegand Reader> Standalone for single door> Standalone for two doors> With external reader for two doors> Two units interlocked for two doors> Anti-passback for single door> Anti-passback for two doors
> Card type: EM, HID, MF, CPU Card> Wiegand Reader> Standalone for single door> Standalone for two doors> With external reader for two doors> Two units interlocked for two doors> Anti-passback for single door> Anti-passback for two doors
> Card type: EM+HID or MF+CPU Card > Two relays support up to 2000 users in total for two zones > Can add consecutive user cards quickly in one time > Digital backlit keypad > Have 7 working modes
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