1. It is Easy to install. No need to drill holes, and no damage to your cabinet. 2. Easy to operate.Has function of auto-rebounce and auto-lock. 3. Stainless steel latch and plastic lock body, and anticorrosion. 4. It has One master card can be set user cards. so you only have to keep one key to control all locks. 5. Master Card/keychain have been set for the lock, no need to be programmed or activated. All you need to do is to install 4 pieces x AAA alkline batteries(Not included batteries), then you can use the lock This is suitable for wooden door only, widely used special for drawer, locker, cabinet, slidding door. Working Voltage: 6V Battery Powered: 4 X AAA Battery, Not including in package Static Power Consumption: 5μA Frequency: RFID 13.56MHz Consumption: 200mA Accept Cabinet or Wardorbe Door Thickness: Within 30mm Apply By: Wooden by only Type: Motor lock Note: Use the 13.56MHz IC key fob to unlock the lock. Tips: The product may be updated constantly ,Due To Different Batches, Color: As Shown Material: plastic Package Contents: 1 * Smart Drawer Lock set 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.