Item Type: Cabinet Lock Material: Zinc Alloy + ABS Power Supply Mode: 4 x AAA alkaline batteries (not included) Card Frequency: 125KHZ ID card Quiescent Current: ≤30μA Dynamic Current: ≤350mA Undervoltage Alarm Point: 3.3±0.2V Lock Bolts Length: Approx. 14mm/0.6in Working Temperature: -20℃-+55℃ 1、It adopts four?level management, which can be equipped with 3 master cards, 1 management card, 20 waiter cards and 1 guest card. 2、With a small lock bolt anti?pry alarm function, high safety. Low voltage alarm prompt, reliable use. Long standby time is up to 1 year. 3、The first card is the management card. The management card has the function of setting and deleting. The management card can be unlocked directly. (The management card has been set up at the factory). 4、Single card to open the door: use the management card to sense once, and the guest card will be sensed when the blue light flashes. After the flashing stops, the guest card can open the door (Note: If the management card is set with a guest card, the new guest card can open the door, and the previous card automatically cancels the door opening function.) 5、Dual card to open the door: use the management card to sense twice, and the waiter card will be sensed when the blue light flashes. After the flashing stops, the door can be opened with the guest card and the waiter card. (Note: If need to set up multiple waiter cards, you need to set them after the management card is continuously sensed for 2 times.) 6、Master card: use the management card to sense 4 times in a row. When the blue light flashes, the master card is inducted. After the blue light stops flashing, the master card can open the door (Note: Set according to customer needs). 7、After the management card is used for 5 consecutive inductions, there will be 2 long beeps and the blue light will flash 2 times, and all the unlocking information that has been set will be cleared. (Note: Only the management card function is reserved.) 8、Through the small hole on the back of the lock cylinder, use the tool button to switch for 2 seconds, the blue light flashes with a beep, and all information is cleared when the light is off. (After clearing it, you can use it after resetting in the first step). 1 x Lock Body 1 x Lock Box 1 x Lock Catch 1 x ID Card Wristband 1 x Installation Screw Pack 1 x Instruction