Features:Super quality Smart Digital RFID Password Lock, high sensitivity.Induce to unlock with card key or password, quick and convenient.4 long beeps low voltage alarm, secure in use, long service life.Support for using emergency 5V power connected with USB port to unlock.Made of premium zinc alloy material, rigid, rust-resistant and durable.Widely applicable to drawers, wardrobes, office cabinets, file cabinets and etc.Specifications:Condition: Brand NewMaterial: Zinc alloyColor: Black + whiteCard Type: RFID cardUnlock: Card key or passwordCard Sensing Distance: Approx.5-10mmStatic Power Supply: <30u ADynamic Power Supply: <120mAPower: DC 6V, 4 AA batteries (excluded), 5V USB emergency power port to unlockLow Voltage: < DC4.8V, 4 long beeps indicationBattery Life: About 1 yearWorking Temperature: -25~55Working Humidity: 10%-85%RHSize: Shown as picturePackage Weight: Approx.250g/8.8ozPackage List:1 * Lock1 * Lock Catch1 * External Battery Case1 * Screw Pack1 * FRID Card1 * English User Manual.