One Card Multiple Locks: You can easily program one key to as many locks as you , and you can reset, add or delete key cards freely. The lock uses a 13.56MHz M1 card, which is more sensitive and than ordinary 125kHz ID cards. Sensing Thickness: Cards can penetrate thicker wood boards (up to 38mm/1.5 inches), Perfect lockers, lockers, drawers, cupboards, closets, data racks, storage boxes, safe gyms, swimming pools , libraries, factories and offices, etc., with a wide range of uses. NFC & RFID Supported: This lock works with rfid keys and supports NFC. For Android, copy your rfid key to your smartphone's wallet via NFC function. For IOS, add a new transit card to the wallet, then program the transit card into your lock as an nfc access card. Sturdy Mechanism and DIY Installation: The latch and mortise are made of metal. They are strong enough to lock. Easy to install with screws without drilling. For any non-wood surface, it is recommended to use tape instead of screws for installation. Low battery alarm automatic unlocking: keep unlocked in low battery state. 't worry about being locked out. In low battery state, there will be a long sound after unlocking, and it can be used about 15 . It can be used again after replacing the battery. Name: Universal Cabinet Lock Size: 7.6 x 7.6 x 2.9cm Material: ABS colour: Black Package Contents: 1 x Lock 1 x Latch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.