Item Type: Electronic Smart Cabinet Lock Material: Zinc Alloy + ABS Plastic Input Voltage: DC 4.5V, 3Pcs AA Alkaline Batteries (Not Included) Quiescent Current: ≤30μA Dynamic Current: ≤350mA Undervoltage Alarm Point: 3.3±0.2V Front Lock Body Size(L x W x H): Approx. 114 x 37 x 16mm/4.5 x 1.5 x 0.6in Rear Lock Body Size(L x W x H): Approx. 138 x 66 x 22mm/5.4 x 2.6 x 0.9in Lock Bolt Length: Approx. 15mm/0.6in Applicable Door Thickness: Approx. 13-22mm/0.5-0.9in Working Temperature: -20℃-+55℃ 1、Adopts four?level management mode, 1 main card, 1 deleting card, 1 management card, 12 waiter cards and 1 guest card can be equipped with. 2、Main card is used to configure or delete the management card yet not for door unlocking, The management card is used to configure or delete the waiter card and guest card, and support lock unlocking. 3、After the management card unlocking, the guest card will be deleted, the waiter card and guest card are only used to unlock lock, the cleaning card can only used for door opening and closing. 4、Select the single/dual card door opening mode by different card matching conditions, the default state is the single card mode. When the attendant card is equipped, it will automatically change to the dual card mode. 5、By setting the switch, you can freely choose the manual lock or automatic lock mode, with low voltage alarm prompt function, convenient to use. 6、With a small lock tongue pick?proof alarm function. Input illegal card 3 times continuously, there will be a alarm for 60 seconds, suitable door thickness: 13?22mm/ 0.5?0.9in. 1 x Front Lock Body 1 x Rear Lock Body 1 x EM Tag 1 x Installation Accessory Pack 1 x Manual