SAMSUNG SMART DIGITAL DOOR LOCK Even if there are handprints left on the touchpad due to the double security of the magic number, there is no concern that the password will be inferred, and there is no concern about peeping. It has a crime prevention function in preparation for long-term outings, reducing the risk of unauthorized intrusion. ◈ WHY PICK ☞ Why did you choose this Product? - High Quality the Price - Simple yet Luxurious Design - Convenient Usability ◈ POINT ☞ Slim, Stylish Design - The slim and simple design has a high interior effect and enhances the dignity of the house from the entrance. ☞ Magic Number Dual Security - It don't have to worry that the password will be inferred even if there are handprints left on the touchpad by pressing two random numbers that change every time and then pressing the password. ☞ Security Setting Function - If you go out frequently or are away for a long time, simply press the home button to set a crime prevention setting, reducing the risk of unauthorized intrusion. ☞ External Power Supply - When the battery is discharged, the door can be opened by placing only a 9V battery on the outdoor external power contact. ◈ RECOMMEND ☞ Those who are concerned about the sound when entering and leaving late at night frequently ☞ Who are looking for products that are safe from harmful substances ☞ People who go out frequently ◈ PRODUCT INFO ☞ SAMSUNG SMART DIGITAL DOOR LOCK - Outdoor side : 67x157.1x16.5mm Indoor side : 158x89x44.5mm / 1.7kg ▶ All products are genuine products supplied through a formal contract with the head Office ◀ --------------------------------------------------------------------------------------------------------- [Spec] ㆍName : SAMSUNG SMART DIGITAL DOOR LOCK ㆍModel Name : SHS-2920 ㆍSize : Outdoor side : 67 x 157.1 x 16.5mm / Indoor side : 158 x 89 x 44.5mm ㆍWeight : 1.7kg ㆍColor : Black ㆍRated Voltage : AA Alkaline 1.5V batteries (LR6)*4 (DC 6V) ㆍEmergency Power : 9V battery (6LF22)*1 (Sold separately) ㆍOperation Method : Electronic control method (Password, Card, Key tag recognition)