APP unlocking, together with the tuya Bluetooth gateway, can be unlocked regardless of distance, if there is no gateway, it can be unlocked within the Bluetooth range. Description: 100% Brand New and High Quality APP:tuya smart/smart life Mobile phone is your key, bind account, never lose. Easy to open the cabinet lock with one button, suitable for bookcases, bedside cabinets, file cabinets, etc. Important documents and personal items in the office drawers do not want to be turned over. When using traditional mechanical locks, colleagues are anxious to ask for documents, cannot hand over keys or keys, and the smart switch can lock the privacy and freely authorize the keys. Increase work efficiency. Real-time view of unlock records, APP automatic management. Remote key authorization for increased productivity. With automatic locking function, free to control. Monocrystalline silicon semiconductor chip, stable performance. Two AAA batteries powerednot include, ultra low standby power Can be set to low power automatically open, to avoid important files can not be removed. Specifications: Product Name: Smart Drawer Switch Connection method: Bluetooth Unlocking speed: 1-3s Unlocking distance: less than or equal to 10m Product color: white Product material: ABS PC Power supply: two AAA batteriesnot include Working temperature: minus 40 degrees Celsius - 85 degrees Celsius Package Included: 1* lock body 1* lock 1* instruction manual 2* stickers 1* block 1* screw fittings (5* large screws 2* small screws) Notes: This price does not include the battery. Description: 100% Brand New and High Quality! APP:tuya/smart life