Specification 100% good condition and new Product Name: Smart Drawer Switch Connection method: BT 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 Feature: 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. Package Included 1pc of lock body 1pc of lock 1pc of instruction manual 2pcs of stickers 1pc of block 1pc of screw fittings Note: Because of the light irradiation or computer display difference, please understand we can't guarantee photos and real color is 100% same.