1. Easy to install—no drilling required, and no damage to your cabinet. 2. Easy to operate with auto-rebounce and auto-lock functions. 3. Stainless steel latch and plastic lock body for durability and corrosion resistance. 4. Supports one master card and multiple user cards—use a single key to manage all locks. 5. Master card/keychain is pre-programmed and ready to use. Install 4 AAA alkaline batteries (not included) to begin operation. Suitable for wooden doors only; ideal for drawers, lockers, cabinets, and sliding doors. Working voltage: 6V Power source: 4 x AAA batteries (not included) Static power consumption: 5μA RFID frequency: 13.56 MHz Dynamic power consumption: 200mA Maximum door thickness: 30mm Material: Plastic Type: Motorized lock Note: Use a 13.56 MHz IC key fob to unlock the lock. Color: As shown Package contents: 1 x Smart Drawer Lock set