Feature:1. Excellent ABS Material: This RFID lock is made of excellent ABS material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life.2. Programmable: This RFID electronic cabinet lock is programmable and you can reset, add or remove keycards on your own. You can even set one keycard to open multiple locks.3. Invisible Design: This electronic cabinet lock has an invisible design, mounted inside the cabinet, no need to touch to open the door, protect your individual belongings security.4. Hole Free Design: This cabinet drawer lock is designed with hole free design, no need to drill holes, which makes it very easy to install and leave no trace after removing it.5. Wide Application: This DIY cabinet lock has a wide range of applications and is suitable for locking cabinets, drawers, cupboards, closets, storage cabinets, gun cases and so on.Specification:Item Type: RFID Electronic Cabinet LockMaterial: ABSBattery: 1.5V AAA Alkaline Battery x 4 ( Shipped Without Battery )Static Current: <20uAOperating Current: <180mACard Standard: M1, NFCUser Card Capacity: 18Operating Temperature: -10-60Operating Humidity: 10%RH-90%RHHow To Use:1. Reset To Factory Default:Press the button for about 2 seconds, and the buzzer will sound one time. At this time, all cards are cleared and reset to factory default.2. Double Mode:Press the button for about 2 seconds, and the buzzer will sound one time. Then keep button pressed for another 3 secunds for double mode with sound "Di Di indication.At this time, all cards are cleared. You must to set cards again and unlock with two user cards.3. Manager Card:1) The first manager card can be set directly in default state.2) Add other manager cards: Read manager card 3 times, then read cards to add for manager card.3) The maximum quantity of manager cards is 5. (Include the first manager card)4) The manager cards is used to add, delete, configure and unlock.4. Add User Card:1) Read manager card one time, then read cards to add for user card.2) The maximum quantity of user cards is 13.5. Add User Card:Read manager card 5 times and wait for 5s, then sound "Di Di Di Di Di", and all user cards be deleted.6. Normal Open When Battery LowRead manager card 9 times, Di indicate this function is disabled and "Di Di" indicate function is enabled. (Default is enable)7. Low Battery Indication1). After the battery is low, the buzzer will sound "Di Di Di Di","Di Di Di Di when unlocking. Please replace battery as soon as possible.2). When Low battery normal open function is enabled, the door lock will not lock after unlocking with low battery. You must replace battery to use this lock again..Package List:1 x RFID Electronic Cabinet Lock1 x Lock Head1 x Accessory 9 x Screws1 x Sticker 1 x Sensor Card 1 x Manual