The Electronic Lock 1.open as long as card touch the knob-preeminent security 2.Convenient for consumption and management The electronic lock is : convenient for consumption convenient for management convenient for installing safe and firm Vogue and elegant design on appearance Hidden handle,good locking and convenient Can be set to single or dual-card mode a lot of colors for your choice Alarm for abnormally opening the lock Low-volotage alarm External battery box Notice to order the locks: 1. Requirements to the cabinet door: all types with of doorframe≥70mm applicable door thickness:every can accept except irongate,we provide two installing ways two ways installing drawings PACKING use big carton:300*400*465mm-60pcs/carton use small carton:320*280*380mm-30pcs/carton A main Technical Parameter Technical ProjectParameter DescriptionWorking power supplyDC4.5v(4,5size allalescence batteries)Relative humidity20% 90%RHinductive Distance10-15mmManagement card≤1 piecesmanager card≤4 piecesGuest card≤1 piecesstaff card≤20 piecesTime delay of unlocking5 secondsunder voltage alarm≤DC3.8vtamper-resistant typeyes B indication of sound and light Event Type Blue lightbuzzer set successfully glitterone short"di" Read a card successfully short "di" invalid CARD glitter under voltage alarm 8 short "di" valid card glitter"di"