One Card for Multiple Locks: Easily program a key to any number of locks, and freely reset, add, or delete key cards. The lock uses 13.56 MHz M1 cards, which are more sensitive than standard 125 kHz ID cards. Sensing Thickness: The card can penetrate thicker wooden boards (up to 38mm/1.5 inches), perfect for cabinets, lockers, drawers, cupboards, wardrobes, data racks, storage boxes, secure gyms, swimming pools, libraries, factories, and offices, etc., with a wide range of applications. Supports NFC and RFID: This lock works with RFID keys and supports NFC. For Android, copy your RFID key to your smartphone's wallet via the NFC function. For iOS, add a new transport card to the wallet and then program the transport card as an NFC access card to your lock. Durable Mechanism & DIY Installation: The latch and mortise are made of metal. They are strong enough to lock. No drilling required, easy to install with screws. For all non-wood surfaces, it is recommended to use tape instead of screws for installation. Low Battery Alarm & Automatic Unlock: Remains unlocked in a low battery state. No need to worry about being locked out. In a low battery state, a long sound will be heard after unlocking, which can be used for about 15 minutes. It can be used again after the battery is replaced. Name: Universal Cabinet Lock Size: 7.6 x 7.6 x 2.9 cm Material: ABS Color: Black Package Contents: 1 x Lock 1 x Latch Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual item. The allowable measurement error is +/- 1-3 cm.