Interface and Voice Recording is in Korean. This interface means the word that appears in the screen. Rest of them are world-known language which is numbers and symbols.Please note this before purchasing. The item "SAMSUNG Keyless Handle Touch Bluetooth Digital IOT Door Lock SHP-DH520 withKey-tag" is in sale since Tuesday, March 17, 2015. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Other Door Hardware". The seller is "worldbiggeststore" and is located in SEOUL. This item can be shipped worldwide.