No need keys anymore Our smart lock is especially designed for drawers and cabinets. Fingerprint and APP unlocking, 0.5s quick response, 100 sets of fingerprints, 6 months long standby time, the fingerprint lock is safe, convenient and practical. Features: Premium Quality: Zinc alloy lock body and stainless steel lock tongue, the lock is rust-proof, sturdy and durable to use. Fingerprint Unlock: 0.5 second quickly unlock, high capacity of 100 fingerprints (2 administrators included), convenient to use. APP Unlock: Download "OKLOK+" APP, easily control the smart drawer lock via your smartphone after BT connection. Rechargeable Battery: Built in a rechargeable lithium battery, about 6 months long working time after full charged. Simple Installation: Just a few steps for easily installing, suitable for single drawer of which the thickness is below 22mm. Wide Application: Perfect for single drawers, file cabinets and so on at home or in offices, gyms, swimming pools, etc. USB Charging Port: Comes with a USB cable for charging, no need to worry when out of battery. Specifications: Color: Silver Material: Zinc Alloy + Stainless Steel Capacity: 100 Fingerprints (2 Administrators included) FAA: ＜0.002% FAR: