Usage Tips:Item Type: Smart Drawer Switch Weight: Approx.152g / 5.4oz Material: ABS and PC Wireless Connection: BT 4.0 BLE Lock Opening Distance: ≤ 10m / 393.7in Unlocking Speed: 1-2S Power Supply: 2pcs AAA Alkaline Batteries (Battery Not Included) 1,Wireless Connection: Instead of the key, the mobile phone opens the lock cabinet with one key. The mobile phone is your key, and the binding account will not be lost. Wireless connection, easy to open with one button, whether bookcase, nightstand or file cabinet. 2,Intelligent Switch: Protect file intimity, and make it easier to protect important documents and intimate items in the office drawer. When using mechanical lock, colleagues are in a hurry to obtain documents, and the key cannot be handed over in time or there is a danger of loss of the key. Intelligent switch can not only lock the intimity, but also authorize the key to improve work efficiency. 3,Hidden Type Dark Installation: Hidden type dark installation does not affect the appearance, nail free adhesive installation without drilling, installed in the drawer or cabinet, with nail free adhesive, strong viscosity, durable. 4,Simple Installation: Simple installation, suitable for a variety of material drawer cabinets. Concealed type dark outfit, do not destroy furniture beautiful. Exquisite and mini, more convenient for the small space in the cabinet of drawers. 5,Wide Applicability: Suitable for a variety of cabinets, a good thing in ordinary life, the product can be installed in wood, iron, PVC and other materials of drawers and cabinets, from home to the office, enjoy the wisdom of intimity life. 1 x Lock 1 x Lock Slot 5 x Long Screws 2 x Short Screws 1 x Fixed Patch 4 x Double Sided Adhesive Tape 1 x Manual 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.