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.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: SilverMaterial: Zinc Alloy + Stainless SteelCapacity: 20 Fingerprints (2 Administrators included)Capacity: 100 Fingerprints (2 Administrators included) BT typeFAA: 15KVBuilt-in Battery: 1 * 3.7V 150mAh Lithium BatteryCharging Port: Micro USB, 3.7VCharging Time: ahout 2 HoursWorking Time: Approx. 180 Days (10 times of unlocking every day)Working Temperature: -20~70℃Working Humidity: 5%-95% (without Condensation)Hole Diameter: >18mmDrawer Thickness: <;22mmItem Size: 40 * 15 * 48mm / 1.6 * 0.6 * 1.9inHead Size: 34 * 16mm / 1.3 * 0.6in (Dia. * H)Item Weight: 98g / 3.5ozPackage Size: 7.6 * 6.6 * 5.2cm / 3.0 * 2.6 * 2.0inPackage Weiht: 129g / 4.6ozPackage List:1 * Fingerprint