2-in-1 Combination Lock: Super quality Smart Digital RFID Password Lock, high sensitiity. Induce to unlock with card key or password, quick and conenient. High quality electronic cabinet lock: Made of premium zinc alloy material, rigid, rust-resistant and durable. This smart cabinet lock looks ery beautiful and simple and generous. It is sturdy, with high stability and high safety factor. with alarm function: 4 long beeps low oltage alarm, secure in use, long serice life. 4 AA batteries (excluded), Support for using emergency 5 power connected with USB port to unlock. Wide Applicable: school, spa / sauna bath center, swimming pool, gymnasium, cabinets, drawers, mail box, school lockers or any where keys are not suitable. Colour:Photo Color Material:Zinc alloy Package Contents: 1 x Lock 1 x Lock Catch 1 x External Battery Case 1 x Screw Pack 1 x USB Cable 1 x ID Card 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.